Exercise 1: Put the verbs in brackets into the correct form
1. If I see him , I ___________ (give ) him a gift.
2. If I had a typewriter, I _____________ (type) it myself.
3. If I had known that you were in hospital, I ___________ (visit) you.
4. You could make better progress if you _____________ (attend) class regularly.
5. If you ______________ (arrive) ten minutes earlier, you would have got a seat.
6. If he worked more slowly, he ____________ (not make) so many mistakes.
7. If I _____________ (find) a cheap room, I will stay a fortnight.
8. A lot of people ____________ (be) out of work if the factory closed down.
9. If you had drunk less last night, you (not feel) _____________ so bad today.
10. If she (not get) _____________married at such an early age, she would be at university now.
11. Dial 113 if you (want) ………………………………… to call the police.
12. Tell him to phone me if you (see) …………………………………him.
13. What will happen if my parachute (not open)…………………………………?
14. If she (need) …………………………………a radio, she can borrow mine.
15. What you (do) …………………………………when you come to the party tonight?
16. If anyone attacked me, my dog (jump) ………………………………… at his throat.
17. If I lend you 10 dollars, when you (repay) ………………………………… me?
18. Unless you are more careful, you (have) …………………………………an accident.
19. Ice (turn) …………………………………to water if you heat it.
20. Unless I have a quiet room, I (not be able) …………………………………to do any work.
1 will give (đk loại 1
2 would type (đk loại 2
3 would have visited (đk loại 3
4 attended
5 had arrived
6 wouldn’t make
7 find
8 would be
9 wouldn’t have felt
10 didn’t got
11 want
12 see
13 doesn’t open
14 needs
15 will you do
16 would jump
17 will you repay
18 will have
19 will turn
20 won’t be able (unless = if not
1. will give
→ câu ĐK loại 1: If + S + HTĐ, S + will/can + V0
2. would type
→ câu ĐK loại 2: If + S + QKĐ ( đối với Vbe thì ta chỉ sử dụng ‘were’ ), S + would/could + V0
3. would have visited
→ câu ĐK loại 3: If + S + QKHT, S + would/could + have + V3/ed
4. attended
5. had arrived
6. wouldn’t make
7. find
8. would be
9. wouldn’t have felt
10. didn’t got
11. want
12. see
13. doesn’t open
14. needs
15. will you do
16. would jump
17. will you repay
18. will have
19. will turn
20. won’t be able