I. Supply the correct word forms, using Conditional Sentences Type 1 & 2:
1. If I (not have) _______________ enough money , I will not buy this book.
2. If Peter ________________ (not have) a typewriter, he can not type it.
3. If I knew her address, I ________________ (tell) you.
4. You could get better grades if you ____________ (attend) class regularly.
5. If I ____________ (know) his telephone number, I would give it to you.
6. If you arrived late, you _________________ (not get) a seat.
7. If Jenny ____________ (work) more slowly, she will not make so many mistakes.
8. I would not drink that wine if I ____________ (be) you.
9. If I find a cheap room, I ______________ (stay) for 3 weeks.
10. You (not understand) _________________________ if you do not pay attention to the lesson.
1. do not have 2. does not have 3. will tell 4. attended 5. knew
6. will not get 8. were 9. will stay 10. will not understand