Verified answer

1. If it rains, we will stay at home.

2. If the children do not tidy the room, they will not go for a walk.

3. I will tell him a secret, if he rings me up.

4. Mary will get wet, if she does not take an umbrella.

5. If he is free tomorrow, he will come to our party.

6. Mike will visit his grandmother, if he has more time.