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.
Exercise 2: Make conditional sentences:
1. Keep silent or you’ll wake the baby up.
→If ……………………………………………..…..………
2. Stop talking or you won’t understand the lesson.
→ If …………………………………….....….…….
3. I don’t know her number, so I don’t ring her up.
→ If …………………………………….....….……..
4. I don’t know the answer, so I can’t tell you.
→ If …………………………………………….………..
5. We got lost because we didn’t have a map.
→ If …………………………………….……..…….……
6. Susan felt sick because she ate four cream cakes. →……………………………………………..……
7. Without this treatment, the patient would have died. →……………………………………….….…...
8. He lost his job because he was late every day. →………………………………………………...……
9. Peter is fat because he eats so many chips. →……………………………………………………...…..
10. Robert got a bad cough because he started smoking cigarettes. →………………………………..…..
Exercise 3: Use UNLESS instead of IF
1. If you do not like this one, I’ll bring you another
Unless………………………………………………
2. If she does not hurry, she’ll be late
Unless ……………………………………………….
3. If you are not careful, you’ll cut yourself
Unless ……………………………………………………
4. if you had not sneezed, he wouldn’t have known that we were there.
Unless ……………………………………………………
Loga
Sinh Học lớp 12
