Task 1. put in must or have/has to.
1 i’m tired. to bed early.
2 to school on saturdays.
3 ‘this is a great book.’ i it.’
4 a orders.
5 to london for a meeting.
6 i think in advance.
7 you us soon.
8 to spend more time at home.
9 through carlisle on the way to glasgow.

task 2. complete the sentences, using mustn’t or don’t have to.
1 bicycles parked in the front courtyard.
2 washing out of the windows.
3 the visas to travel in western europe.
4 out of the windows.
5 for your tickets now.
6 it’s rained a lot, so the garden.
7 your sister while she’s working.
8 before you come into my room