Complete the sentences with the correct form of the verbs in the box.

be, have, install, join, not play, not work

If I were you, I wouldn't touch the cut with a dirty hand.

1. Jason wants to be a doctor in the future. If only he _____________ better grades!

2. I wish my dad _____________ a special net in the window. There are a lot of mosquitos in the garden.

3. This song is OK but I wish my sister _____________ it so often.

4. If a sports centre opened right next to your house, _____________ (you) an aerobics class?

5. If Natalie _____________ such long hours, she would have more time to exercise.