Номер1
1a
2b
3b
4b
5b
6b
Номер2
1 can not
2 must be
3 may have
4 do not have to
5 must
6 might
Номер3
1 You ought to get up earlier in the morning
2 I must stay in tonight to do my homework
3 We have not go to our Maths lesson today
4 Mr Davis can explain things very well
5 You must not eat during the lesson
6 Have you done any homework tonight?
Номер4
1 Should speak to your teacher
2 Answer could be wrong
3 Might go to university next year
4 Must not use a calculator in the test
5 Ought to apologize
6 She can't speak Russian