Exercise 3: Choose the most suitable one (A, B, C, or D).
1. A. calls
2. B. if it rains
3. В. If
4. C. what would you do
6. A. will need
7. D. were / would apply
7. A. unless
8. D. had taken / would be
9. C. had had / would have finished
10. D. rains
11. A. Were our father
12. B. Had Peter driven
13. A. If I had
14. D. would have had / had passed
15. C. Should Mr. Jones call
16. A. Unless
17. B. or
18. A. or you will make
19. B. But for they had had good preparations
20. C. were / would you do
Exercise 4: Choose the most suitable one (A, B, C, or D).
1. A. will give
2. C. in case
3. A. unless
4. D. were / would take
5. B. What would you do
6. B. knew
7. A. Providing
8. B. will not have to change
9. B. had rained / would be
10. A. tell
11. C. Unless we had had
12. A. Were I
13. D. had rained / would not be
14. D. would not have got
15. B. Should I need
16. A. Had I known
17. B. Were I
18. D. unless
19. C. or
20 C. Unless
(Cấu trúc các loại câu điều kiện
If + S + V(s,es), S+ V(s,es)/câu mệnh lệnh
If + S + V(s,es), S + Will/Can/shall…… + V
If + S + V2/ Ved, S +would/ Could/ Should…+ V
If + S + Had + V(pp)/Ved, S + would/ could…+ have + V(pp)/Ved
If + S + had + V3/Ved, S + would + V)