1) If she (come) home very late , her folks (get) very angry.

2) If you (mix) yellow and blue ,it (become) green.

3) If you (leave) ice cream in the sun, it (melt).

4) If the moon (be) full, the tides (be) high.

5) If it (rain) a lot, flood (occur).

6) If two clouds (hit) eachother , lightning (occur).

7) If somebody (take) my turn, I (get) angry.

8) If I (not-like) somebody, I (not/invite)him anywhere.

9) If you (read) newspapers, you (know) what's happening in the world.

10) If you (do) a lot of exercises, you (stay) fit and healthy.