4 Put the verbs in brackets into the correct tense.
1 If I (see) a burglar, I'd call
the police.
2 If you mix blue and red, you
(get) purple.
3 If it (stop) raining, we'll go out.
4 If they don't leave now, they
(miss) the train.
5 If I had free time,
(join) a gym.