1 Write the correct form of the verb in brackets. 1) If we buy a car, we (not have to) travel by train. 2) If you go to a party, Im sure you (have) a good time. 3) When you (run) fast, you get tired. 4) Ill wash the dishes if you (cook) dinner. 5) I take my umbrella whenever it (rain). 6) If you (not study), you may fall the test. 7) If she (not sleep) enough, she (get) tired. 8) I (invite) all my friends if I have a party. 9) I (buy) you a present if I have enough money. 10) Cars (not pollute) the air if people Ответ (invent) new fuel.

1 won`t have to
2 will have
3 run
4 cook
5 rains
6 don`t study
7 doesn`t sleep, will get
8 will invite
9 will buy
10 will not pollute, invent