1. If it rains (it/rain), we won't go(we/not/go) fishing.
2. If the weather is (the weather/be) beautiful tomorrow, we will dirve (we/drive) tothe beach.
3. If she sends (she/send) the letter now, they will receive (they/receive) ittomorrow.
4. Freb will be (Fred/be) angry if Jack arrive (Jack/arrive) late again.
5. I will come (I/come) to your house if I have (I/have) enough time.
6. If she doesn't pass(she/not/pass) this exam, she won't get (she/not/get) the job that she wants.
7. You will learn (you/learn) a lot if you take (you/take) this course.
8. If I get(I/get) a ticket, I will go (I/go) to the cinema.
9. I will buy (I/buy) that machine if it doesn't cost (it/not/cost) too much.
10. If you run (you/run) very fast, you will catch (you/catch) the taxi.
11. I will go (I/go) to the doctor's if I don't feel (I/not/feel) better tomorrow.
12. If they win (they/win) this match, they are (they/be) the champions.