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.
11. If the weather stays good next weekend, we………… (probably / go ) away somewhere.
12. Come on! If we (hurry)…………………….,we ( catch )……………….. the bus.
13. There (be)…………………big floods every year if the cutting down of trees continues.
14. If there (be) ……………….too much litter on the streets, the environment will become polluted.
15. If the sea level (rise)…………………, there will be floods in many parts of the world.
16. They will be late for their meeting if they ( not leave )…………………………now.
17. If you aren’t careful, you (drop)…………………………..the plates.
18. If anyone (phone)…………………………. me , tell them I’m out.
19. If he ( not use)……………………much pesticide on vegetables, they will become edible.
20. What (you/ do) ............................... if you are free tomorrow, Lan?
21. If I ............................. (study), I.....................................................(pass) the exams.
22 If the sun........................... ( shine), we ........................ (walk) to the town.
23. If he ............................. ( have) a temperature, he ............................ ( see) the doctor.
24. If my friends .............................( come), I .....................................( be) very happy.
25. If she.........................( earn) a lot of money, she ..............................( fly) to New York.
26. If we .......................( travel) to London, we .................................( visit) the museums.
27. If you .............. ( wear) sandals in the mountains, you......................( slip) on the rocks.
28. If Rita ............. (forget) her homework, the teacher....................(give) her a bad mark.
29. If they...........................(go) to the disco, they ..............................(listen) to loud music.
30. If you .............................(wait) a minute, I............................(ask) my parents.
