Exercise 1. Conditional Type 1: Put the verbs in brackets into the correct form.
1. If we (recycle) ________ more, we will help the Earth.
2. Factories (not dump) ______________waste into rivers if the government fine them heavily.
3. If people travel to work by bus, there (be) ______________fewer car fumes.
4. We (save) ________________thousands of trees if we don’t waste paper.
5. If we use water carefully, more people (have) ______________fresh water.
6. If the factory (continue) ________________ dumping poison into the lake, all the fish and other aquatic animals will die.
7. If I (go)__________ out tonight, I will go to the cinema.
8. If we don’t see each other tomorrow, we (see)__________ each other next week.
9. If we go on holiday this summer, we (go)__________ to Spain.
10. He (not/get) _________a better job if he doesn’t pass that exam