1
1. If you do morning exercises regularly, your body will be fitter
2. If we don't renewable energy, we will have nothing for the future generration
3 If we don't reduce the use of non-renewable enery, the climate will change
4 If we don't continue hunting polar bears, they'll become extinct in near future
2
16, knew
17, gave
19, couldn't come
20, saw
21, would be
22, wouldn't be
23, had
24, did
25, could grew
26, removed
27, would keep
28, lived
30, would offer
ex 2
1, if they weren't poor, they could hepl us
2, if he did his homework, he wouldn't be punished
3, if he had enough time, he could help me
4 if she took some exercise, she wouldn't be overweight
5, He wouldn't go to class late if he had a bicycle
6, I could do homework if i weren't bad at E
7, If he practised speaking F, he could speak it fluently
8, If it didn't snow heavily, the meeting couldn't be cancelled
9, If it weren't rain, we would go
10, If john didn't eat so many chips, he wouldn't be fat