Write the conditional sentences from the following statements

Write the conditional sentences from the following statements.
1. We plant more trees. The air will be fresher.
If __________________________________________________________
2. We  use fewer cars. We  reduce pollution.
If __________________________________________________________
3. We  cycle to school every day. We  keep fitter.
If __________________________________________________________
4. We use recycled products. We  save money.
If __________________________________________________________
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