9: Conditional Sentences – Exercise 1

When you (turn) that handle, the door (open).

It (take) longer to do this if you (not/be) prepared.

My parents (get) mad if I (not/study) hard.

If he (go) on a plane, he always (feel) sick.

When I (not/know) the meaning of a word, I (look) it up in the dictionary.

If you (boil) water, it (turn) to steam.

Food (remain) fresh for longer when you (put) it in the refrigerator.

If Emily (not/have) anything to do, she (go out) with her friends.

If you (need) help, (ask) me.

(call) your supervisor if the machine (stop) working.