CẤU TRÚC CÂU ĐIỀU KIỆN:

LOẠI 1: If+ S + V(inf/e/es) + O, S + will + O 

(Mẹo: Vế có từ if dùng thì hiện tại đơn, vế còn lại dùng tương lai đơn)

LOẠI 2: If + S + Vpast + O, S + would + V-infinitive + O

(Mẹo: Vế có chứa từ if dùng quá khứ đơn, vế còn lại dùng would + V nguyên thể)

LOẠI 3: If + S + had + PII + O, S + would/could + have + PII

( Vế có chứa if dùng quá khứ hoàn thành)

1. If we meet at 9:30, we (have) __will have__ plenty of time.

2. If you (find) ___find___ a skeleton in the cellar, don't mention it to anyone.

3. The zookeeper would have punished her with a fine if she (feed) __fed__ the animals.

4. If you pass your examination, we (have) __would have__ a celebration.

5. Lisa would find the milk if she (look) __looked__ for it in the fridge.

6. What (happen) __will happen__ if I press this button?

7. The door will be unlocked if you (press)__press__ the green button.

8. I should have voted for her if I (have) __had had__ a vote then.

9. If you go to Paris, where will you (stay) stay?

10. If you (swim) __swim__ in this lake, you'll shiver from cold.

11. If someone offered to buy you one of those rings, which you (choose) __would you choose__?

12. The flight may be cancelled if the fog (get) __had got__thick.

13. If the milkman (come) __comes__, tell him to leave two pints.

14. I (call) __would called__ the office if I were you.

15. Someone (sit)__will sits__on your glasses if you leave them there.

16. You would hear my explanation if you (not talk) __didn't talk__ so much.

17. What will I (do) do if I hear the burglar alarm?

18. If you (read) __had read__the instructions carefully, you wouldn't have answered the wrong question.

19. If Mel (ask) __had asked__ her teacher, he'd have answered her questions.

20. I would repair the roof myself if I (have) __had__ a long ladder.

_Chúc bạn học tốt_

- CĐK Loại 0 : If+S + Vs / es , S + Vs / es

- CĐK Loại 1 :If+S+Vs/Ves, S+will + V

- CĐK Loại 2 : If + S + V-ed,S + would + V

- CĐK Loại 3: If + S+ had +VpII, S + would + have + VpII

1.will have

2.find

3.had fed

4.will have

5.looked

6.will happen

7.press

8.had had

9.will you stay?

10.swim

11.would choose

12.had got

13.comes

14.would call

15.will sit

16.didn't talk

17. Will I do?

18. had read

19. had asked

20.had