1. The environment is affected by the pollution in many ways.
Câu bị động
2. We can't predict when the earthquake will happen
impossible: không xảy ra
3. Chemicals are being overused by some farmers in their crops.
overused: bị lạm dụng
Câu bị động
4. If you leave the tap running while brushing your teeth, you will waste water
Câu điều kiện loại 1: If + S + V(s,es) + O, S + will/should/can/must/... + V + O
5. Since special computers were invented, the paths of hurricanes have been predicted.
Since: bởi vì.