Complete the sentences with the correct form of the verbs in brackets. Use the zero or first conditional.

1. If he ...... (not work) tomorrow, we ...... (go) on a cycling trip.
2. The river near our village is often a problem. The water ...... (destroy) some of the fields if it ...... (rain) a lot.
3. We ...... (not wait) for you if you ...... (not be) on time at the station!