Viết lại câu sử dụng với If

1. The woman will help us and we will make it easily.
->If......................
2.Mary will buy a bike. She will ride to school.
-> If Mary..........................
3. Burn the trash and the air will be polluted.
-> If........................
4. Put the garbage into the bins and our school yard will be clean and green.
-> If.............................
5. Go on wasting water and we will no have enough fresh water in the future.
-> If we........................
6. Don't be careless or you will fall over the rocks.
->If..........................