I have to go to school
I must wear a hat in winter
I mustn't fight
I don't have to get all the best grades
1.am applying, want, is
2.were listening, rang
3.am looking
4.leaves, will drive
5.will I check
6.is getting
7.got
8.were travelling, was snowing, was blowing, were going, heard, lost, were, took, were, is looking, is saying, will never drive, promise, is, is
2.you mustn't ride bikes
3.you mustn't play loud music
4.you must leave your pets at home
5.you must put your rubbish in the bin
6.you mustn't run