Bài tập Tiếng Anh Lớp 9 - Unit 7: Pollution (Conditional sentences)

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 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.