Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
ghi đối nghĩa với mệnh đề if
1. They aren't. They don't wear unifrom
(hình như đề thiếu mất từ "students" ?)
-> If they were students, they would wear uniform
2. He isn't careful. He doesn't get good marks
-> If he were careful, he would get good marks
3. I don't understand you. You speak very quickly
-> If you didn't speak quickly, I would understand you
4. He is absent now. He doesn't know what to do
-> If he knew what to do, he weren't absent now
5. It is rainy now, so we can't finish our work
-> If it weren't rainy now, we could finish our work
6. We can't buy this car because it is very expensive
-> If this car weren't very expensive, we could buy it
7. The house is so large that they can't paint it in a week
-> If the house weren't so large, they could paint it in a week
8. He is too young to go to school
-> If he weren't too young, he would go to school
9. I want to met Alice but I don't have her address
-> If I had Alice's address, I could meet her
10. I can't do this test because it is very difficult
-> If this test weren't difficult, I could do it
11. We can't go to the cinema because it rains heavily
-> If it didn't rain heavily, we could go to the cinema
12. These exercises are easy enough for me to do in 15 minutes
-> If these exercises weren't easy, I couldn't do them in 15 minutes
13. I don't study hard anh I can't pass the final exam
-> If I studied hard, I could pass the final exam
14. This shirt is too small for me to wear
If this shirt weren't too small, I could wear it
1. If I don't have enough money, I can't go on a long holiday this year.
2. If I don't have a typewriter, I can't type in myself.
3. If I don't live in a big city, I can't go to the cinema very often.
4. If Lan doesn't have a bike, she will walk to school.
5.If my brother doesn't have enough money, he won't buy that car.
6. If it rains, we won't go out because its rains
7. If I don't know his adress, I can't contact him
8. If it's too cold, we can't go swimming.
9. If the exercises are very difficult, I can't finish in fifteen minutes.
10. If she is busy, she can't go to the meeting.
11. If I don't meet her, I won't give her your letter.
12. If They are too slow, they can't win the match.
13. If she is too weak, she can't take any exercises.
14. If he doesn't speak clearly, people won't understand him.
make conditinal sentences
1. she got married at such an early age' so she isn't at university now
if she hadn't got married at such an early age , she would have been at university now
2. she works in the evening , she has no time to play with her children
if she didn't work in the evening , she would have time to play with her children
3. as she is often absent from class, she can't keep pace with her classmate
if she wasn't often absent from class, she could keep pace with her classmate
4. it's very cold' so we can't go swimming
if it wasn't cold, we could go swimming
5. you drink too much coffee ' that's why can't sleep
if i didn't drink too much coffee I could sleep
6. we don't have a big house. we can't invite friends to stay
if we had a big house. we could invite friends to stay
7. the flats are not clearly numbered, so it is very difficult to find anyone
if the flats were clearly numbered, it wouldn't be very difficult to find anyone
8. i couldn't write to Alice because i didn't know her address
if I had known alice's address, I would have written to her
9. we got lost because we didn't have a map
if we had had a map, we wouldn't have got lost
10. the farmers didn't have enough rain , so they could not grow rice
if the farmer had had enough rain , they would have grown rice
Make conditional sentences according to the facts provided.
1. Keep silent or you'll wake the baby up.
\(\Rightarrow\)If you don't keep silent , you'll wake the baby up.
2. Because you don't leave immediately, I call a policeman.
\(\Rightarrow\)If you leave immediately,I won't call a policeman.3. I don't know her number, so I don't ring her up.
\(\Rightarrow\)If i knew her number ,I could ring her up.4. Go right now or you'll be late for the train.
\(\Rightarrow\)If you don't go right now , you'll be late for the train.5. As she is often absent from class, she can't keep pace with her classmates.
\(\Rightarrow\)If she weren't absent from class she could keep pace with her classmates.
6. I couldn't write to Alice because I didn't know her address.
\(\Rightarrow\)If i had know Alice's address,I could have written to her.
7. I don't know the answer, so I can't tell you.
\(\Rightarrow\) If i knew the answer, I could tell you.
8. We got lost because we didn't have a map.
=> If we had had a map, we wouldn't have got lost.
9. His friends were so late, so they missed the train.
\(\Rightarrow\)If his friends hadn't been so late , they wouldn't have missed the train.
10. Today isn't Sunday, so the pupils can't go swimming.
\(\Rightarrow\)If today were Sunday, the pupils could go swimming.
11. The heavy rain kept everybody from going out.
\(\Rightarrow\)If it hadn't rained heavily, everybody could have gone out.
12. This chair is too heavy for him to move.
=> If this chair wasn't too heavy ,he could move it.
13. He had a flu because he went out in the rain last night.
=>If he hadn't gone in the rain last night , he would't have a flu.
14. The church bells keep me from sleeping.
=> If the church bells didn't ring , i could sleep.
15. Morning exercises make me feel better.
=> If i didn't do morning exercises,i wouldn't feel better.
16. Stop talking or you won't understand the lesson.
=> If you don't stop talking, you won't understand the lesson
17. The boy is so young that he can't go to school.
=>If the boy weren't so young, he could go to school.
18. The fridge keeps the food from spoiling.
=> If there weren’t a fridge, the food would spoil.
19. Why don't you study hard?
=>If i were you ,i would study hard.
20. Why don't you stop smoking?
=>If i were you ,i would stop smoking.
21. Be careful, or you'll cut yourself with that knife.
=>If you are not be careful ,you'll cut yourself with that knife.
22. Be calm, or you'll make a wrong decision.
=>If you are not calm, you'll make a wrong decision.
23. Without the air, we would die.
=>If we lived without air, we would die.
24. Without a visa, she couldn't have come to that country.
=>If she'd had a visa, she couldn't have come to that country.
25. Without the sun, man would live in the darkness.
=>If there were not the sun, man would live in the darkness.
26. Without money, he wouldn't have bought such a big house.
=>If he had money, he wouldn't have bought such a big house.
27. Smoking makes him so weak.
=>If he didn't smoke , he wouldn't be so weak.
28. It was very cold yesterday, so he couldn't go swimming.
=>If it hadn't been very cold yesterday, he wuold has gone swimming.
29. It is very cold, so we can't go swimming.
=>If it weren't cold, we could go swimming.
30. I didn't watch TV last night because I was busy.
=>If i hadn't been bsy , i would have watched TV last night.
2. we don't visit you very often because you live so far away
-> If you didn't live so far away, we would visit you very often
3. Sandra can't take a photo because she hasn't got her camera
-> If Sandra had got her camera, she could take a photo
4. She buys a lot of clothes, so she has no money
-> If she didn't buy a lot of clothes, she wouldn't have no money
5. I have to work tomorrow evening, so I can't meet you
-> If I didn't have to work tomorrow evening, I could meet you
6. It's raining, so we can't have lunch in the garden
-> If it weren't raining, we could have lunch in the garden
7. I'm often tired in the morning because i go to bed late
-> If I didn't go to bed late, I wouldn't be often tired in the morning
8. we haven't got a calculator, so we can't work this out quicker
-> If we had got a calculator, we could work this out quicker
9. nick can't find the way because he hasn't got a map
-> If Nick got a map, he could find the way
10. David has so many accidents because he's so clumsy
-> If David weren't so clumsy, he wouldn't have so many accidents
11. I don't write to my friends because i'm so busy
-> If I weren't so busy, I would write to my friends
12. Susan hasn't got a watch, so she's often late for work
-> If Susan got a watch, she wouldn't be often late for work
13. He coughs a lot of because he smokes forty cigarettes a day
-> If he didn't smoke forty cigarettes a day, he wouldn't cough a lot
14. They don't have a garden. They don't grow vegetable
-> If they had a garden, they would grow vegetable
15. I don't have a boat. I won't sail around the world
-> If I had a boat, I would sail around the world
use IF
1. That car is too epensive, so I'm not going to buy it.
i would buy that car if it wasn't too expensive
2. We don't go shopping very often because we can't afford it.
We'd go shopping more often if we could afford it.
3. They don't understand the problem. They won't find a solution
if they understood the problem, They would find a solution
4. I can't phone you because I don't know your telephone number.
if I knew your telephone number, I could phone you
5. It's raining heavily, so I can't see her on time
if it wasn't raining heavily, I could see her on time
Combine two sentences into one using :..... such .....that.....
1.It is a good car. Everyone want to have it
-> It is such a good car that everyone wants to have it.
2.He is tired .He can't go to school
-> He is such a tired student that he can't go to school.
3.This book is very difficult . I can't read it
-> (This) It is such a difficult book that I can't read it.
4.These exercises are very hard . She can't do them
-> These are such hard exercises that she can't do them.
5. My firend was so busy . He couldn't come to the meeting
-> My friend was such a busy person that he couldn't come to the meeting.
6.This hat is very small . I can't put is on
-> It is such a (very) small hat that I can't put is on.
7. He was so poor .He couldn't buy this house
-> He was such a poor person that he couldn't buy this house.
8.The film is very bad . The children can't see it
-> It is such a bad film that the children can't see it.
9. the sound is very low . We can't hear it
-> It is such a low sound that we can't hear it.
10.this book is very expensive . We can't buy it
-> It is such an expensive book that we can't buy it.
11.The table is too heavy . He can't move it
-> It is such a heavy table that he can't move it.
12. The soup is very hot . I can't eat it
-> It is such a hot soup that I can't eat it.
13. Mr Nam is so old .He can 't go to work now.
-> Mr Nam is such an old person that he can't go to work now.
5/ I don't have a typewriter. I can't type it myself.
> If I had a a typewriter, I could type it myself.
6.I don't live in a big city, so I can't go to the cinema very often.
>If I lived in a big city, I could go to the cinema very often.
7. Lan doesn't have a bike, she walks to school.
>If Lan had a bike, she wouldn't walk to school.
8. I'm not a doctor , so I can't help you
>If I were a doctor, I could help you.
9 They do not understand you because you do not often talk to them.
>If you often talked to them, they would understand you.
10. I'm so busy , so I don't write to my friends regularly.
>If I weren't so busy, I would write to my friends regularly.
11. People don't trust him because he tells lies.
> If he didn't tell lies, people would trust him.
12. She is so busy that she can't come to the party.
> If she weren't so busy, she could come to the party.
13. I don't have the money , so I can't go on holiday.
> If I had the money, I could go on holiday.
14. He gets bad marks because he is lazy.
> If he weren't lazy, he wouldn't get bad marks.
15. Do it now , or you will not finish it on time.
> If you don't do it now, you won't finish it on time.
16. Hurry up , or we will be late for the exam.
>If we don't hurry up, we will be late for the exam.
17. Be quiet , or you will not understand the lesson.
>If you aren't quiet, you will not understand the lesson.
18. The office may be closed , so Mark won't be able to get in.
> If the office is closed, Mark won't be able to get in.
19. You can't look the word up because you haven't got a dictionary
>If you had got a dictionary, you could look the word up.
Make the conditional sentences facts:
1. I don't understand you. You speak very quickly.
=>if you didn't speak very quickly ,i would understand you
2. He is absent now. He doesn't know what to do.
=>if he weren't absent now,he would know what to do
3. It is rainy now, so we can't finish our work.
=>If it weren't rainy now,we could finish our work
4. We can't buy this car because it is very expensive.
=>If this car weren't very expensive ,we could buy it
5. The house is so large that they can't paint it in a week.
=>If the house weren't so large ,they could paint it in a week
6. I want to meet Alice but I don't have her address.
=>If i had Alice's address,i would meet her
7. I can't do this test because it is very difficult
=>if this test weren't very difficult,i could do it
8. This shirt is too small for me to wear
=>If this shirt weren't too small,i could wear it
9. She doesn't have a bicycle, so she can't go on a camping trip with you.
=>If she had a bicycle ,she could go on camping trip with you
10. They don't take a map, so they will lose their way.\
=>If they took a map,they wouldn't lose their way