Bài 1: Cho dạng đúng của động từ trong ngoặc:

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 I _____ (know) his telephone number, I’d give it to you.

6. If you _____ (arrive) ten minutes earlier, you would have got a seat.

7. If he worked more slowly, he _____ (not make) so many mistakes.

8. I shouldn’t drink that wine if I _____ (be) you.

9. If I _____ (find) a cheap room, I will stay a fortnight.

10. A lot of people _____ (be) out of work if the factory closed down.

11. I (have) ………….. plenty of money now if I (not/spend) ………… so much yesterday.

12. If someone (give) …………….you a boat, what you (do) …………… ?

13. If you...........(press) CTRL + S, you...........(save) the file.

14. The children...........(be) happy if he...........(teach) them English.

15. If she...........(buy) a new hard disk, she...........(not/ lose) all data.