. Put the verbs in brackets into the correct form. 1. We __ (stay) at home if it rains. 2. She will call you if she __ (have) time. 3. If it ___ (not rain) tomorrow, we will go for a picnic. 4. If everyone ___ (recycle) paper, metal and glass, we ___ (not produce) so much rubbish. 5. If you ____ (not water) plants, they __ (die). 6. If the weather __ (be) bad, we ___ (not go) to the park. 7. We ___ (save) thousands of trees if we ___ (not waste) so much paper. 8. What _____ (happen) if we __ (keep) polluting the environment. 9. If we ___ (not stop) cutting down so many trees, we ____ (endanger) our oxygen supply. 10.If people ____ (dump) chemicals into rivers, they ____ (not be) able to swim in them in the future. Giari thích rõ ràng dùm mình nhé