III. Give the correct forms of the verbs in brackets.
1. If you ( go) __________away, please write to me.
2. If you (see) __________Mary today, please (ask) __________her to call me.
3. If he (eat) __________another cake, he will be sick.
4. If he (take) __________my advice, everything can go well.
5. What you (do) __________if she refuses your invitation?
6. Unless they (pass) __________their examinations, they would join the army.
7. You (be) __________ill if you drink that water.
8. If it’s raining heavily, we (not go) __________for a donkey ride.
9. If he (try)__________ hard, he’ll pass the examination.
10. If I (finish) __________the work in time, I (go)__________ to the football game.