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There is a mistake in each sentence. Find the mistakes and correct them.
Example: 00. I haven’t cutted my hair since last June.
00 .cutted => cut
1. She has not working as a teacher for almost 5 years.
……working=> worked……………………………………..
2. The lesson haven’t started yet.
………………haven't=> hasn't…………………………..
3. Has the cat eat yet?
………………eat=>eaten…………………………..
4. I am worried that I hasn’t still finished my homework yet.
……………hasn't=>haven't……………………………..
5. I have just decidedto start working next week.
…………………không sai………………………..
6. He has been at his computer since seven hours.
…………………since=>for………………………..
7. She hasn’t receivedany good news since a long time.
…………………since=>for………………………..
8.My father hasn’t playedany sport for last year.
…………………for=>since………………………..
9. I’d better have a shower. I hasn’t hadone since Thursday.
………………hasn't=>haven't…………………………..
1. i .....have....just (decide)......decided......to start working next week
2. he(be).....has been.......at his computer for seven hours
3.she(not/have)...hasn't had.....any fun for a long time
4. my father(not/play)......hasn't played.....any sport since last year
5.i'd better have a shower.i(not/have)....haven't had....one since thursday
6.i don't live with my family now and we (not/see).....haven't seen.....each other for five years
7.how long...have you known.(you/know).........each other?
8. (she/eat)....has she eaten....at the royal hotel yet?
1. i have just (decide)đecide to start working next week
2. he(be)has been at his computer for seven hours
3.she(not/have)hasn't had any fun for a long time
4. my father(not/play)hasn't played any sport since last year
5.i'd better have a shower.i(not/have)haven't had one since thursday
6.i don't live with my family now and we (not/see)..........each other for five years
7.how long have (you/know)you known known each other?
8. (she/eat)Has she eatten at the royal hotel yet?
Chúc bạn học tốt 
Ex 1: Chia các động từ sau ở thì hiện tại hoàn thành
1. My father (not/ play)…hasn't played…….. any sport since last year.
2. Has He (eat)…………eaten……. at the King Power Hotel yet?
3. I’d better have a shower. I (not/have)…………haven't had…………one since Thursday.
4. I don’t live with my family now and we (not/see)…………haven't seen…………each other for five years.
5. My father (not/ play)……hasn't played….. any sport since last year.
Ex 2: Mỗi câu sau chứa một lỗi sai. Tìm và sửa chúng.
1. I haven’t cutted my hair since last June.
………cutted->cut………………………..
2. The lesson haven’t -> hasn't started yet.
…………………………………………..
3. Has the cat eat -> eaten yet?
…………………………………………..
4. I am worried that I hasn’t -> haven't still finished my homework yet.
…………………………………………..
5. He has been at his computer since -> for seven hours.
…………………………………………..
6. She hasn’t received any good news since -> for a long time.
…………………………………………..
7. My father hasn’t played any sport for -> since last year.
…………………………………………..
A. Since được dùng với một mốc thời gian hoặc một mệnh đề, và có nghĩa là từ thời điểm đó cho đến lúc nói.
I have studied English since 2000. She has lived here since I met her. I have been here since last week.
We’ve been friends since our schooldays. (Chúng tôi là bạn bè từ những ngày còn đi học)
B. For được dùng với một khoảng thời gian: for six days (trong sáu ngày), for a long time (một thời gian dài).
I have studied English for 5 years now. (Tôi học tiếng anh được 5 năm nay.)
I have studied French for the past / last two years. (Tôi đã học tiếng Pháp trong 2 năm vừa qua)
Ex 1: Chia các động từ sau ở thì hiện tại hoàn thành
1. My father (not/ play)…hasn't played…….. any sport since last year.
2. He (eat)………has eaten………. at the King Power Hotel yet?
3. I’d better have a shower. I (not/have)…………haven't had…………one since Thursday.
4. I don’t live with my family now and we (not/see)………haven't seen……………each other for five years.
5. My father (not/ play)……hasn't played….. any sport since last year.
Ex 2: Mỗi câu sau chứa một lỗi sai. Tìm và sửa chúng.
1. I haven’t cutted my hair since last June.
………cutted->cut………………………..
2. The lesson haven’t started yet.
……………haven't -> hasn't……………………………..
3. Has the cat eat yet?
…………………eat-> eaten………………………..
4. I am worried that I hasn’t still finished my homework yet.
…………………hasn't-> haven't………………………..
5. He has been at his computer since seven hours.
………………since-> for…………………………..
6. She hasn’t received any good news since a long time.
…………………since-> for………………………..
7. My father hasn’t played any sport for last year.
……………………for-> since……………………..
didn't call her up 2 days ago.
I haven't called her uo for 2 days
Did you finish the test an hour ago?
Have you finished the test for an hour?
I started playing tennis last year.
I've played tennis since last year
I haven’t seen him for a week
It’s a week since I last saw him
When did you first see her?
How long have you first seen her?
She didn't learn hard in 2005.
She hasn't learned hard since 2005
He has used the computer since he was 19
He began using the computer when he was 19
Peter has watched that film since last month
It’s last month since Peter last watched that film
The boys began playing soccer a year ago.
The boys have played soccer for a year
Has Dad worked here since I was born?
Did Dad work here when I was born?
The last time We saw her was 2 months ago
We haven ‘t seen her for 2 months
Tom did not work here when I met him on the street
Tom has not worked here sice I met him on the street
This is the first time he forgot his bag
He has never forgotten his bag before
Haven’t you used this car for a long time ?
Did you use this car a long time ago?
Is it the first time your father drunk that wine
Did your father drink that wine before?
This car is the most mordern I’ve used
I’ve never used such the most modern car before
It’s four years since I learnt in Hoa Lien school
I have learnt in Hoa Lien School for 4 years
She last wore that dress at her sister’s wedding
she hasn’t worn that dress since her sister's wedding
When did you start working in that factory?
How long have you worked in that factory?
Nam hasn’t written to his friend since 2005
It is 2005 since Nam last wrote to his friend
It is the first time I have heard about that
I have never heard about that before
They have’t played volleyball since last year
It is last year since they last played volleyball
Mr Nam has worked in this factory for years
Mr Nam started working in this factory years ago
Hoa hasn’t met me since she went abroad
Hoa last met her when she went abroad
Mr Lam started learning French on september 2nd
Mr Lam has learned French since September 2nd
He has used this car since he bought a new house
He began using this car when he bought a new house
She didn't learn hard in 2005.
She hasn't learned hard since 2005
Peter watched this film when he came home.
Peter has watched this film since he came home
It's a week since I last saw her.
I haven't seen her for a week
The boys began playing soccer a year ago.
The boys have played soccer for a year
Did Dad start to work here when I was born?
Has Dad worked here since I was born?
When did you first see her?
How long have you first seen her?
The last time We saw her was 2 months ago
We haven ‘t seen her for 2 months
Tom did not work here when I met him on the street
Tom has worked here since I met him on the street
This is the first time he forgot his bag
He has never forgotten his bag before
Children began to play games at 9pm
Children have played games since 9 p.m
When did you first know her ?
How long have you first known her?
I have never tasted the cake before
This is the first time I've ever tasted the cake
I haven’t played tennis since 1990
The last time I've played tennis was in 1990
I haven’t been to Briton for three years
The last time I've been to Briton was three years ago
I have never met such a famous person before
It’s the first time I've vẻ met such a famous person
I’ve never eaten this before
It’s the first time I've ever reaten this
I. Rewrite the following sentences.
1. It's ages since I took any photos.
- I have....not taken photos for ages........................................
2. Tom has not had his hair cut for a moth.
- It's.........a month since Tom last had his hair cut...............................................
3. Tom hasn't seen "Titanic" before.
- It's the first time...... the first time Tom saw ''Titanic''.............................
4. The last time I was abroad was in the summer of 2000.
- I...............not been abroad since the summer of 2000.......................................................................
5. Tom last watched T.V on New Year's Day.
- Tom.......hasn't watched TV since New Year's day.....................................................................
6. It's three months since the windows were cleaned.
- The windows...........haven't been cleared for 3 months.................................................
7. My friends began studying English fifteen years ago.
- My friends..........has studied English for 15 years.............................................................
8. My father hasn't played football since 1980.
- The last time........my father played football was 1980..............................................
9. He hasn't drunk any beer since the accident happened.
- He last..... drank beer when the accident happened................................................................
10. My brother started smoking two years ago.
- My brother..........has smoked for 2 years............................................
11. We haven't met Tom since he got married.
- We last.......met Tom when he got married....................................................
12.This is the first time I ate this kind of foos.
- I haven't...... .....eaten this kind of food before................................................
13. It's four years since I got maried.
- I have.......not got married for 4 years........................................
14. He has been working for this factory for three years.
- He started.............working for this factory three years ago...........................................................
3. Tom hasn't seen "Titanic" before.
- It's the first time Tom has seen "Titanic"
4. The last time I was abroad was in the summer of 2000.
- I haven't been abroad since the summer of 2000 7. My friends began studying English fifteen years ago.- My friends have studied English for fifteen years
8. My father hasn't played football since 1980.
- The last time my father played football was in 1980
13. It's four years since I got maried.
- I have been married for four years
1. when did you take up golf ?
=> How long .....has you spent on.....................................playing golf ?
2. They arrived half an hour ago
=> They .....have arrived for........................................half an hour
3. When did Jim go out ?
=> How .......long has Jim gone.........................................out ?
4. The last time I stayed in London was in 1984 .(since 1984 )
=> ..........I has stayed in London since 1984.......................................
5. This place has been unoccupied for fifty years
=> It's fifty years. this place has been unoccupied............................................
6. She is still working on her homework. stopped
=>......She hasn't stopped working on her homework........................
7. My parcel hasn't arrived yet. received
=> I hasn't still..been received ...........................................................my parcel
8. The tennis players 's match is still going on . finished
=> The tennis players................hasn't finished the match........................yet
9. Gina is still in London
=> Gina hasn't ........left for............................................London yet
10. Linda is still single
=> ..............Linda hasn't married..................................................yet
Mình ko chắc lắm 
Ex5: Rewrite the following sentences
1. Tom has not had his hair cut for over 3 months
-> It's 3 month since Tom hair last cut.
2. My father hasn't been to Hanoi for 2 years
-> It's 2 years since my father went to Ha Noi.
3. I haven't enjoyed myself so much for years
-> It's many years since I last enjoyed myself.
4. I haven't eaten this kind of food for 2 years
-> It's 2 years since I ate this kind of food.
5. Mary hasn't rung for hours
-> It's many hours since Mary rang.
6. We haven't seen him for 4 years
-> It's 4 years since we saw him.
7. It's over a year since I last went to see them
-> I haven't gone to see them for a year.
8. It's more than ten years since I last played football
-> I haven't played football since10 years.
I didn't call her up 2 days ago.
I haven't called her for 2 days
Did you finish the test an hour ago?
Have you finished the test for an hour ?
I started playing tennis last year.
I've played tennis since last year
I haven’t seen him for a week
It’s a week since I last saw him
When did you first see her?
How long have you seen her ?
She didn't learn hard in 2005.
She hasn't learned hard since 2005
He has used the computer since he was 19
He began using the computer when he was 19
Peter has watched that film since last month
It’s last month since Peter watched that film
Nếu thấy câu trả lời mik có ích hãy cho mik 1 tick thay lời cảm ơn hay lời đồng tình về bài làm của mik nha 
Viết lại câu không thay đổi nghĩa
1This is the first time he went abroad.
-> He hasn't gone abroad before.
2.She started driving 1 month ago.
-> She has been driving for 1 month.
3.We began eating when it started to rain.
-> We have been eating since it stated to rain.
4.I last had my hari cut when I left her.
-> I haven't had my hair cut since I left her.
5.The last time she kissed me was 5 months ago.
-> She hasn't kissed me for 5 months.
6.It is a long time since we last met
-> We haven't met each other for a long time.
7.When did you have it?
-> How long have you had it?
8.This is the first time I had such a delicious meal.
-> I haven't had such a delicious meal before.
1. He hasn't gone aboard before
2. She has been driving for 1 month
3.We have been eating since it started to rain
4.I haven't had my hair cut since I left her
5.She hasn't kissed me for 5 months
6.We haven't met each other for a long time
7.How long have you had it?
8.I haven't had such a delicious meal before
Mỗi câu sau chứa 1 lỗi sai.Tìm và sửa chúng
1.I haven't cutted -> cut my hair since last June .....................
2.She has not working -> worked as a teacher for almost 5 years ............................
3.The lesson haven't -> hasn't started yet .....................
4.Has the cat eat -> eaten yet .........................
5.I am worried that I hasn't -> haven't still finished my homework yet ..................
6.I have just decidedto -> decided to start working next week ..........................
7.He has been at the computer since -> for a long time .....................
1.I haven't cutted my hair since last June ..........cut...........
2.She has not working as a teacher for almost 5 years ..............worked..............
3.The lesson haven't started yet ......hasn't...............
4.Has the cat eat yet ...............eaten..........
5.I am worried that I hasn't still finished my homework yet ..........haven't........
6.I have just decided to start working next week ..........................(câu này có lẽ đúng)
7.He has been at the computer since a long time ........for.............
HỌC TỐT !!!