Complete the sentences so that they express the idea in brackets. Use contractions for the negative forms of modal verbs (can't, mustn't).

Write one word in each gap.

At school, we[ ] always wear the uniform. (It's a rule.)

If you[ ] swim, you may learn to do it with a trainer. (You're not able to do it.)

You[ ] listen to loud music at night. (It's forbidden.)