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27 tháng 7 2019

Put the verbs in brackets in the Present Perfect Tense

1.Nurse(look).....has looked......... after patients in hospi tals since last night .

2. ( you/ever/see)......Have you ever seen........ a ghost?- No,

3. They (live)........have lived.........in that house for 10 years 

4. I (work) .........have worked................ with him since 1998

5. She (study) .....has been studied.................English for 3 years now 

6. I ( not see) .........haven't seen.............. my form teacher for 2 weeks

7.They (live ) .....have lived.... there for the whole life

8.(you/meet).....Have you met..... him seen we said goodbye?

9.Where(you/be) ........have you been............simce 2008?

10.We (not/get).......haven't got.......... in touch with him for years ?

11.I(not/know) .......haven't knewn........Halong Bay yet

12.My Father(watch).......has watched..........this film many times

13.( you / see).......Have you seen..........Lan recently? _No ,

14.I( never/see ).........have never seen...............Lan again since we left school

15.We (not /eat )......haven't eaten...............in that restaurant for 2 years 

16.I (do ) ............have done.............-my homework since last night 

17 She (go) ...has gone.....To Da Lat since last summer

27 tháng 7 2019

1 has looked

2 have you ever seen

3 have lived

4 have worked

5 has studied

6 have not seen

7 have lived

8 have you met

9 have you been

10 have not getten

11have not known

12has watched

13have you seen

14have never seen

15have not eaten

16have done

17has gone 

Put these verbs in present tenses1. You (receive) ...... any letters from yours parents yet?2. How long Bob and Mary (be) ............. married?3. My father (not smoke) ......... for 5 years.4. Birds (build) ............ their nests in the summer and (fly) ..... to the south in winter.5. I'm busy at the moment. I (redecorate). ............... the sitting room.6. I always (buy) ............ lottery tickets but I never (win) ............. anything.7. I (work) ......... for him for 10 years and he...
Đọc tiếp

Put these verbs in present tenses

1. You (receive) ...... any letters from yours parents yet?

2. How long Bob and Mary (be) ............. married?

3. My father (not smoke) ......... for 5 years.

4. Birds (build) ............ their nests in the summer and (fly) ..... to the south in winter.

5. I'm busy at the moment. I (redecorate). ............... the sitting room.

6. I always (buy) ............ lottery tickets but I never (win) ............. anything.

7. I (work) ......... for him for 10 years and he never once (say) ......... "good morning' to me.

8. Mr. Jone (be) ........... principal of our school since last year.

9. Violets (bloom) ............ in Spring.

10. We (not live) .......... in England for 2 years now.

11. They (prepare) ............ the Christmas dinner at the moment.

12. George (work) ........... at the university so far.

13. She (learn)..............

14. Look! That man (try).............

15. Listen! They ( learn) ....... a new song.

16. David (repair) ......... the TV set at the moment. He (work) ......... at it for one hour.

17. I ............ can't go with you because I (not finish) ....... my homework yet.

18. John (wash) ........ his hands now. He just (repair)........ the bike.

19. I (work) ........... at my report since Monday. Now I (write) ........... the conclusion.

20. The earth (circle) ............ the sun once every 365 days.

21. How many times ............. you (see) ............ him since he went to Edinburgh?

22. Look! The boy (cry)..........

23. Mary(lose) .......... her hat for 2 days.

24. He (not finish)..... doing it yet.

25. She (not see) ...... him since Christmas.

 

2
27 tháng 11 2021

Put these verbs in present tenses

1. You (receive) receive...... any letters from yours parents yet?

2. How long Bob and Mary (be) ....to be......... married?

3. My father (not smoke) ...not smoking...... for 5 years.

4. Birds (build) ..buliding.......... their nests in the summer and (fly) ...flyed.. to the south in winter.

5. I'm busy at the moment. I (redecorate). ...redecorating............ the sitting room.

6. I always (buy) .......buying..... lottery kets but I never (win) ....winner......... anything.

7. I (work) ...working...... for him for 10 years and he never once (say) .said........ "good morning' to me.

8. Mr. Jone (be) ..be......... principal of our school since last year.

9. Violets (bloom) ..bloom.......... in Spring.

10. We (not live) ....aren't lives...... in England for 2 years now.

11. They (prepare) ..prepare.......... the Christmas dinner at the moment.

12. George (work) ....working....... at the university so far.

13. She (learn)....learrning..........

14. Look! That man (try)......trying.......

15. Listen! They ( learn) .learrn..... a new song.

16. David (repair) ..repair....... the TV set at the moment. He (work) ....worrk..... at it for one hour.

17. I ....can;t........ can't go with you because I (not finish) not finishing....... my homework yet.

18. John (wash) washed........ his hands now. He just (repair).....repairing... the bike.

19. I (work) .......worked.... at my report since Monday. Now I (write) ..writing......... the conclusion.

20. The earth (circle) .circle........... the sun once every 365 days.

21. How many times ......do....... you (see) .....saw....... him since he went to Edinburgh?

22. Look! The boy (cry)..crying........

23. Mary(lose) ..losenot finish........ her hat for 2 days.

24. He (not finish)..... doing it yet.

25. She (not see) ...not seed... him since Christmas.

27 tháng 11 2021

Mà cách nào để gửi bài trên trang web olm nhỉ các bạn,giúp mình nha.Cảm ơn nhìu nhìu😆😆

EXERCISE 1: Use the correct form of verbs in brackets.1. In all the world, there (be) __________ only 14 mountains that (reach) __________above 8,000 meters.2. He sometimes (come) __________ to see his parents.3. When I (come) __________, she (leave) __________for Dalat ten minutes ago.4. My grandfather never (fly) __________ in an airplane, and he has no intention of ever doing so.5. We just (decide) __________ that we (undertake) ____________ the job.6. He told me that he (take) __________ a...
Đọc tiếp

EXERCISE 1: Use the correct form of verbs in brackets.

1. In all the world, there (be) __________ only 14 mountains that (reach) __________above 8,000 meters.

2. He sometimes (come) __________ to see his parents.

3. When I (come) __________, she (leave) __________for Dalat ten minutes ago.

4. My grandfather never (fly) __________ in an airplane, and he has no intention of ever doing so.

5. We just (decide) __________ that we (undertake) ____________ the job.

6. He told me that he (take) __________ a trip to California the following week.

7. I knew that this road (be) __________ too narrow.

8. Right now I (attend) __________ class. Yesterday at this time I (attend) __________class.

9. Tomorrow I'm going to leave for home. When I (arrive) __________at the airport, Mary (wait) __________ for me.

10. Margaret was born in 1950. By last year, she (live) __________on this earth for 55 years .

11. The traffic was very heavy. By the time I (get) __________to Mary's party, everyone already (arrive) __________

12. I will graduate in June. I (see) __________ you in July. By the time I (see) __________ you , I (graduate) __________.

13. I (visit) __________ my uncle's home regularly when I (be) __________ a child.

14. That book (be) __________ on the table for weeks. You (not read) __________ it yet ?

15. David (wash) __________ his hands. He just (repair) __________ the TV set.

16. You (be) __________here before? Yes, I (spend) __________ my holidays here last year.

17. We never (meet) __________ him. We don't know what he (look) __________ like.

18. The car (be) __________ ready for him by the time he (come) __________tomorrow.

19. On arriving at home I (find) __________that she just (leave) __________a few minutes before.

20. When we (arrive) __________ in London tonight, it probably (rain) __________.

21. It (rain) __________ hard. We can't do anything until it (stop) __________

22. Last night we (watch) __________TV when the power (fail) __________.

23. That evening we (stay) __________up to talk about the town where he (live) __________for some years.

24. I (sit) __________down for a rest while the shoes (repair) __________.

25. Half way to the office Paul (turn) __________round and (go) __________back home because he (forget) __________to turn the gas off.

26. London (change) __________a lot since we first (come) __________ to live here.

27. While we (talk) __________on the phone the children (start) __________fighting and (break) __________a window

28. He used to talk to us for hours about all the interesting things he (do) __________ in his life.

29. You know she (stand) __________looking at that picture for the last twenty minutes.

30. I (spend) __________ a lot of time travelling since I (get) __________this new job.

31. When we (be) __________ at school we all (study) __________Latin.

32. When I (meet) __________ him , he (work) __________as a waiter for a year.

33. After he (finish) __________ breakfast he (sit) __________down to write some letters.

34. She (have) __________a hard life, but she's always smiling.

35. I think Jim (be) __________ out of town.

EXERCISE 4: Choose the correct sentence among A, B, C or D which has the same meaning as the given one.

1. Eight years ago we started writing to each other.

A. We have rarely written to each other for eight years.

B. Eight years is a long time for us to write to each other.

C. We wrote to each other eight years ago.

D. We have been writing to each other for eight years.

2. The boy was so lazy that he couldn't stay up late to learn his lessons.

A. The boy was lazy enough not to stay up late to learn his lessons.

B. The boy was too lazy to stay up late to learn his lessons.

C. The boy was lazy enough but he stayed up late to learn his lessons.

D. The boy was lazy enough to stay up late to learn his lessons.

3. My father is tired of seeing any violent films.

A. My father hasn't seen a violent film.

B. My father has enjoyed all the violent films he has ever seen.

C. My father is worried about missing the next violent film.

D. My father never wants to see another violent film.

4. As soon as he waved his hand, she turned away.

A. He saw her turn away and he waved his hand.

B. No sooner had he waved his hand than she turned away.

C. She turned away because he waved his hand too early.

D. Although she turned away, he waved his hand.

5. John wishes he had remembered to send Mary a Christmas card.

A. John regrets not to send Mary a Christmas card.

B. John regrets forgetting not to send Mary a Christmas card.

C. John regrets not remembering sending Mary a Christmas card.

D. John regrets forgetting to send Mary a Christmas card.

6. My father hasn't smoked cigarettes for a month.

A. It's a month since my father last smoked cigarettes.

B. It's a month ago that my father smoked cigarettes.

C. It's a month that my father hasn't smoked cigarettes.

D. It's a cigarette that my father smoked a month ago.

7. Having finished their work, the workers expected to be paid.

A. The workers expected to be paid because they had finished their work.

B. Having their work finishing, the workers expected to be paid.

C. Having expected to be paid, the workers finished their work.

D. Having been finished their work, the workers expected to be paid.

8. Mr. Brown bought this car five years ago.

A. Mr. Brown started to buy this car for five years.

B. It has been five years when Mr. Brown has bought this car.

C. Mr. Brown has had this car for five years .

D. It is five years ago since Mr. Brown has bought this car.

9. John used to write home once a week when he was abroad.

A. John doesn't write home once a week any longer.

B. John enjoyed being written home every week when he was abroad.

C. John never forgot to write a weekly letter home when he was abroad.

D. When he was abroad he remembered to write home every week.

10. I haven't enjoyed myself so much for years.

A. It's years since I enjoyed myself so much.

B. It's years since I have enjoyed myself so much.

C. It was years since I had enjoyed myself so much.

D. It has been years since I have enjoyed myself so much.

3
24 tháng 7 2018

Exercise 1:

  1. are - reach
  2. comes
  3. came - had left
  4. has never flown
  5. have just decided -would undertake
  6. would take
  7. was
  8. am attending - was attending
  9. arrive -will be waiting
  10. had lived
  11. got- had already arrived
  12. will see - see - will have graduated
  13. visited -was
  14. has been - haven't you read
  15. is washing - has just repaired
  16. Have you been - spent
  17. have never met - looks
  18. will have been- comes
  19. found – had just left
  20. arrive – will probably be raining
  21. is raining - stops
  22. were watching - failed
  23. stayed – had lived
  24. sat – were being repaired
  25. turned – went – had forgotten
  26. has changed - came
  27. were talking – started - broke
  28. had done
  29. has been standing
  30. have spent - got
  31. were - studied
  32. met – had been working
  33. had finished - sat
  34. has
  35. has been
28 tháng 9 2018

EXERCISE 1: Use the correct form of verbs in brackets.

1. In all the world, there (be) ___are_______ only 14 mountains that (reach) _reach___above 8,000 meters.

2. He sometimes (come) __comes___ to see his parents.

3. When I (come) ___came____, she (leave) ____had left______for Dalat ten minutes ago.

4. My grandfather has never (fly) ___flew_______ in an airplane, and he has no intention of ever doing so.

5. We have just (decide) ____decided______ that we (undertake) ___undertook_____ the job.

6. He told me that he (take) ____would take______ a trip to California the following week.

7. I knew that this road (be) ___was_______ too narrow.

8. Right now I (attend) ____have attended______ class. Yesterday at this time I (attend) _____was attending_____class.

9. Tomorrow I'm going to leave for home. When I (arrive) ____arrive_____at the airport, Mary (wait) __will be waiting___ for me.

10. Margaret was born in 1950. By last year, she (live) ___had lived_______on this earth for 55 years .

21 tháng 2 2018

1 went

2drive

3arrived,were

4asked

5say

6walk

7telling

8saw

9stoped,

10was

11don't go

12got

13do,doing

14love
15got,had

easy thôi mà bạn,chúc bạn học giỏi

Supply the correct form of verb:1. Yesterday , my sister (be)…………was……………..at home .2. They (not be )………………………at school next Sunday.3.(he be )…………………….at the party last night ?Yes, he (be )…………………4. Nam often (do )………………………………his homework after school .5. What time …………you (go) .....................to bed last night?6.. We (be) ……………………in London next week.7. It...
Đọc tiếp

Supply the correct form of verb:

1. Yesterday , my sister (be)…………was……………..at home .

2. They (not be )………………………at school next Sunday.

3.(he be )…………………….at the party last night ?

Yes, he (be )…………………

4. Nam often (do )………………………………his homework after school .

5. What time …………you (go) .....................to bed last night?

6.. We (be) ……………………in London next week.

7. It (be)……………………sunny yesterday.

8. I and Nam (be)………………………at the cinema yesterday.

9. Last summer, I (visit)…………………Da Lat with my family .

10. Last night , I (do) ……...my homework .Then I (go)…………….to bed.

11.She always (wash )………………………….her face every morning .

12. We (be)………………………….single last year.

13. Nam (listen)……………………..to music yesterday .

14. (He have) ...................................a lot of friends in Ho Chi Minh city 3 years ago?

15. His uncle (take).............................him to see a doctor last week.

16.She rarely (chat )………………..with her friends .

17.( Liz buy)..................................... a lot of souvenirs yesterday?

18. (They see)…………………….…a lot of animals at the zoo yesterday ?

19. Every night I (go )………………………bed early.

20. They ( not eat)............................meat in her meals in Vung Tau tomorrow.

21. I(wear) ................................the cap with a dolphin on it yesterday.

22. Liz (teach)........................................ Ba some English last week.

23.( Bad and Tan remember) .............................................their trip to Nha Trang last month?

24. (Nam return) ...............................................to Ha Noi next week?

25. We (dance)………………..and (sing)…………………at Nam’s party last night.

26. Where (he go)........................................ next month ?

27. Yesterday, I (get……………….up at 6 and (have)………….breakfast at 6.30.

28. They (buy ) …………………….. that house last year.

29. She ( not go) …………..………. to school next week .

30.That boy ( have ) …………… some eggs last night.

2
20 tháng 2 2020

câu 1 mình không trả lời được bởi vì was là động từ tobe be cũng là động từ tobe nên mình không trả lời được 

2. They won't be at school next Sunday. 

3. he wasn't at the paty last night? [Còn nữa nhưng mình không làm được bởi vì mình còn bài tập nên mình sẽ làm trong giờ tới]

9 tháng 5 2022

 F0 qck

21 tháng 2 2018

30 has

22 tháng 2 2018

16.  asked  /     had

17. said

18. told

19. to wall

20. saw

21. stop. /  buýt

22. been

23. didn't go

24. Didn't... giet

25. didn't ... do

       didn't

26. love 

27. got  /    had

28. bought

29. didn't go

30. had

1) Supply the correct form of werb.1) Yesterday, my sister ( be )............................................at home.2) They ( not be )...............................................at school nest Sunday.3) ( he be ).........................................at th party last night ?Yes, he ( be ).............................................4) Nam often ( do ).................................his homework after school.5) What time..............................you ( go...
Đọc tiếp

1) Supply the correct form of werb.

1) Yesterday, my sister ( be )............................................at home.

2) They ( not be )...............................................at school nest Sunday.

3) ( he be ).........................................at th party last night ?

Yes, he ( be ).............................................

4) Nam often ( do ).................................his homework after school.

5) What time..............................you ( go )..............................to bed last night ?

6) We ( be ).................................in London next week.

7) It ( be ) ...................................sunny yesterday.

8) I and Nam ( be )...................................at the cinema yesterday.

9) Last summer, I ( visit )...............................Da Lat with my family.

10) Last night, I ( do )......................my homework. Then I ( go )...........................to bed.

11) She always ( wash ).....................................her face every morning.

12) We ( be )............................single last year.

13) Nam ( listen )...................................to music yesterday.

14) ( He have )...............................a lot of friends in Ho Chi Minh City 3 years ago ?

15) His uncle ( take )..............................him to see a doctor last week.

16) She rarely ( chat )...................................with her friends.

17) ( Liz buy )..............................a lot of souvenirs yesterday ?

18) ( They see )..........................a lot of animals at the zoo yesterday ?

19) Every night I ( go )....................................bed early.

20) They ( not eat ).........................meat in her meals in Vung Tau tomorrow.

21) I ( wear )...............................the cap with a dolphin on it yesterday.

22) Liz ( teach )...............................Ba some English last week.

23) ( Bad and Tan remember )................................their trip to Nha Trang last month ?

24) ( Nam return ).............................to Ha Noi next week ?

25) We ( dance )...............................and ( sing ).............................at Nam's party last night.

26) Where ( he go )................................next month ?

27) Yesterday, I ( get ).....................................up at 6 and ( have ) .............................breakfast at 6.30.

28) They ( buy )................................that house lastyear.

29) She ( not go )..............................to school next week.

30) That boy ( have ).............................some eggs lasnight.

5
5 tháng 5 2018

1) was

2) won't be

3) Was he

4) does

5) did - go

6) will be

7) was

8) were

9) visited

10) did-went

11) washes

12) were

13) listened

14) did he have

15) took

16) chats

17) did Liz buy

18) did they see

19) go

20) won't eat

21) wore

22) taught

23) Did Ba and Tan remember

24) Will Nam return

25) danced - sang

26) will he go

27) got-had

28) bought

29) won't go

30) had

~ Chúc bạn thi tốt ^^

5 tháng 5 2018

bạn lên mạng coi ý

First Conditional Put the verbs in the right form1) If she ______ (train) a lot, she ____________ (become) a ballerina.2) If you ______ (start) learning to drive at 16 it ____________ (be) easier.3) If it ______ (snow) too much there ____________ (be) avalanches.4) If that computer ______ (bug) again, he ____________ (throw) it away!5) This tree ____________ (grow) faster if you ______ (plant) it in autumn.6) I ____________  (go) to the beach tomorrow if it ______ (be) sunny.7) You ____________...
Đọc tiếp

First Conditional 
Put the verbs in the right form

1) If she ______ (train) a lot, she ____________ (become) a ballerina.
2) If you ______ (start) learning to drive at 16 it ____________ (be) easier.
3) If it ______ (snow) too much there ____________ (be) avalanches.
4) If that computer ______ (bug) again, he ____________ (throw) it away!
5) This tree ____________ (grow) faster if you ______ (plant) it in autumn.
6) I ____________  (go) to the beach tomorrow if it ______ (be) sunny.
7) You ____________ (save) water if you ______ (have) showers instead of baths
8) If they ____________ (not/ get) up early, they ______ (miss) their plane!
9) Sam ____________ (have) an accident if he ______ (keep) driving so fast)
10) They ____________ (have) problems if they ______ (not/ stop) fighting!
11) If I ____________ (have) the time, I ______ (go) to see the film entitled "Jackie".
12) They ____________ (get) married in March if evreything ______ (be) ready!
13) If the teacher ______ (see) him cheating, he ____________ (have) big problems! 
14) If you ______ (eat) kiwis and oranges you ____________ (get) plenty of vitamin C.
15) He ____________ (be) able to go to the cinema if he ______ (finish) his work.
16) We ____________ (not/ go) out until it ______ (stop) raining.
17) If you ____________ (not/go) now, you ____________ (get) stuck in traffic jams.
18) If we ______ (accept) people's differences we ____________ (be) much happier.
19) I ____________ (buy) a new coat if the sales ______ worthwhile.
20) I ____ (be) afraid he _______________ (fall) if he ________ (not/be) careful!
21) I _______________ (have) to go to the dentist't if that tooth ______ (keep) hurting
22) If you ____________ (not/ correct) that work, you _________ (get) a bad  mark.
23) Sam ____________ (have) serious health problems if he ______ (go) on smoking.
24) He ____________ (become) fat if he ______ (eat) too much junk food.

0
First Conditional Put the verbs in the right form1) If she ______ (train) a lot, she ____________ (become) a ballerina.2) If you ______ (start) learning to drive at 16 it ____________ (be) easier.3) If it ______ (snow) too much there ____________ (be) avalanches.4) If that computer ______ (bug) again, he ____________ (throw) it away!5) This tree ____________ (grow) faster if you ______ (plant) it in autumn.6) I ____________  (go) to the beach tomorrow if it ______ (be) sunny.7) You ____________...
Đọc tiếp

First Conditional 
Put the verbs in the right form

1) If she ______ (train) a lot, she ____________ (become) a ballerina.
2) If you ______ (start) learning to drive at 16 it ____________ (be) easier.
3) If it ______ (snow) too much there ____________ (be) avalanches.
4) If that computer ______ (bug) again, he ____________ (throw) it away!
5) This tree ____________ (grow) faster if you ______ (plant) it in autumn.
6) I ____________  (go) to the beach tomorrow if it ______ (be) sunny.
7) You ____________ (save) water if you ______ (have) showers instead of baths
8) If they ____________ (not/ get) up early, they ______ (miss) their plane!
9) Sam ____________ (have) an accident if he ______ (keep) driving so fast)
10) They ____________ (have) problems if they ______ (not/ stop) fighting!
11) If I ____________ (have) the time, I ______ (go) to see the film entitled "Jackie".
12) They ____________ (get) married in March if evreything ______ (be) ready!
13) If the teacher ______ (see) him cheating, he ____________ (have) big problems! 
14) If you ______ (eat) kiwis and oranges you ____________ (get) plenty of vitamin C.
15) He ____________ (be) able to go to the cinema if he ______ (finish) his work.
16) We ____________ (not/ go) out until it ______ (stop) raining.
17) If you ____________ (not/go) now, you ____________ (get) stuck in traffic jams.
18) If we ______ (accept) people's differences we ____________ (be) much happier.
19) I ____________ (buy) a new coat if the sales ______ worthwhile.
20) I ____ (be) afraid he _______________ (fall) if he ________ (not/be) careful!
21) I _______________ (have) to go to the dentist't if that tooth ______ (keep) hurting
22) If you ____________ (not/ correct) that work, you _________ (get) a bad  mark.
23) Sam ____________ (have) serious health problems if he ______ (go) on smoking.
24) He ____________ (become) fat if he ______ (eat) too much junk food.

0
First Conditional Put the verbs in the right form1) If she ______ (train) a lot, she ____________ (become) a ballerina.2) If you ______ (start) learning to drive at 16 it ____________ (be) easier.3) If it ______ (snow) too much there ____________ (be) avalanches.4) If that computer ______ (bug) again, he ____________ (throw) it away!5) This tree ____________ (grow) faster if you ______ (plant) it in autumn.6) I ____________  (go) to the beach tomorrow if it ______ (be) sunny.7) You ____________...
Đọc tiếp

First Conditional 
Put the verbs in the right form

1) If she ______ (train) a lot, she ____________ (become) a ballerina.
2) If you ______ (start) learning to drive at 16 it ____________ (be) easier.
3) If it ______ (snow) too much there ____________ (be) avalanches.
4) If that computer ______ (bug) again, he ____________ (throw) it away!
5) This tree ____________ (grow) faster if you ______ (plant) it in autumn.
6) I ____________  (go) to the beach tomorrow if it ______ (be) sunny.
7) You ____________ (save) water if you ______ (have) showers instead of baths
8) If they ____________ (not/ get) up early, they ______ (miss) their plane!
9) Sam ____________ (have) an accident if he ______ (keep) driving so fast)
10) They ____________ (have) problems if they ______ (not/ stop) fighting!
11) If I ____________ (have) the time, I ______ (go) to see the film entitled "Jackie".
12) They ____________ (get) married in March if evreything ______ (be) ready!
13) If the teacher ______ (see) him cheating, he ____________ (have) big problems! 
14) If you ______ (eat) kiwis and oranges you ____________ (get) plenty of vitamin C.
15) He ____________ (be) able to go to the cinema if he ______ (finish) his work.
16) We ____________ (not/ go) out until it ______ (stop) raining.
17) If you ____________ (not/go) now, you ____________ (get) stuck in traffic jams.
18) If we ______ (accept) people's differences we ____________ (be) much happier.
19) I ____________ (buy) a new coat if the sales ______ worthwhile.
20) I ____ (be) afraid he _______________ (fall) if he ________ (not/be) careful!
21) I _______________ (have) to go to the dentist't if that tooth ______ (keep) hurting
22) If you ____________ (not/ correct) that work, you _________ (get) a bad  mark.
23) Sam ____________ (have) serious health problems if he ______ (go) on smoking.
24) He ____________ (become) fat if he ______ (eat) too much junk food.

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