$IV.$

1/ If I were the Prime Minister, I would help the homeless people.

2/ He could buy a new car if he had enough money.

3/ If I had more time, I could read books.

4/ If he hadn't been ill, he could have gone to school.

5/ They could have passed the exam if they had studied hard.

6/ We could have come with you if we weren't busy.

7/ If her parents had been richer, she would have studied abroad.

8/ If he had come yesterday, she would have given him a present.

9/ If he hadn't rained, we would have gone for a picnic.

10/ The world would be a better place if the environment weren't polluted.

$V.$

1/ If you don't keep silent, you will wake the baby up.

2/ If you don't leave immediately, I will call a policeman.

3/ If I knew her phone number, I would ring her up.

4/ If you don't go right now, you will late for the train.

5/ If she weren't absent from class, she could keep pace with her classmates.

6/ If I had known Alice's address, I could have written to her.

7/ If I knew the answer, I could tell you.

8/ If we had had a map, we wouldn't have got lost.

9/ If his friends hadn't been so late, they wouldn't have missed the train.

10/ If today were Sunday, the pupils could go swimming.

11/ If it hadn't been rained heavily, everybody could have gone out.

12/ If this chair weren't heavy, he could move it.

13/ If he hadn't gone out in the rain last night, he wouldn't have had a flu.

14/ If the church bells didn't rung, I could sleep.

15/ If I do exercise, I will feel better.

16/ If you don't stop talking, you won't understand the lesson.

17/ If the boy weren't young, he could go to school.

18/ If there weren't a fridge, the food would spoil.

19/ If you don't study hard, you won't passed the exam.

20/ If you don't stop smoking, you health will become worse and worse.

21/ If you arent't careful, you will cut yourself with that knife.

22/ If you aren't calm, you will make a wrong decision.

23/ If there weren't air, we would die.

24/ If she hadn't had a visa, she couldn't have come to that country.

25/ If there weren't the sun, man would live in the darkness.

26/ If he hadn't had money, he wouldn't have bought such a big house.

27/ If he didn't smoke, he wouldn't be so weak.

28/ If it hadn't been very cold yesterday, we could have gone swimming.

29/ If it weren't cold, we could go swimming.

30/ If I hadn't been busy, I would have watched TV last night.

V,

`1.` If you don't keep silent, you will wake the baby up.

`2.` If you don't leave immediately, I will call a policeman.

`3. `If I knew her phone number, I would ring her up.

`4. `If you don't go right now, you will late for the train.

`5. `If she weren't absent from class, she could keep pace with her classmates.

`6.` If I had known Alice's address, I could have written to her.

`7. `If I knew the answer, I could tell you.

`8.` If we had had a map, we wouldn't have got lost.

`9. `If his friends hadn't been so late, they wouldn't have missed the train.

`10.` If today were Sunday, the pupils could go swimming.

`11. `If it hadn't been rained heavily, everybody could have gone out.

`12. `If this chair weren't heavy, he could move it.

`13. `If he hadn't gone out in the rain last night, he wouldn't have had a flu.

`14.` If the church bells didn't rung, I could sleep.

`15. `If I do exercise, I will feel better.

`16. `If you don't stop talking, you won't understand the lesson.

`17. `If the boy weren't young, he could go to school.

`18. `If there weren't a fridge, the food would spoil.

`19.` If you don't study hard, you won't passed the exam.

`20.` If you don't stop smoking, you health will become worse and worse.

`21.` If you arent't careful, you will cut yourself with that knife.

`22.` If you aren't calm, you will make a wrong decision.

`23.` If there weren't air, we would die.

`24.` If she hadn't had a visa, she couldn't have come to that country.

`25.` If there weren't the sun, man would live in the darkness.

`26.` If he hadn't had money, he wouldn't have bought such a big house.

`27.` If he didn't smoke, he wouldn't be so weak.

`28.` If it hadn't been very cold yesterday, we could have gone swimming.

`29.` If it weren't cold, we could go swimming.

`30.` If I hadn't been busy, I would have watched TV last night.

Mình chỉ lm bài V thôi sorry bn nha 

- Mong mod đừng xóa em ạ !