UNIT 2, 2B Gramma, have to, page 21
Exercise 1
2 have to turn
3 have to be
4 have to wear
5 have to sit
6 have to walk
Exercise 2
1 doesn’t have to
2 have to
3 don’t have to
4 doesn’t have to
5 have to
6 have to
7 don’t have to
8 have to
Exercise 3
1 have to have
2 have to go
3 have to study
4 don’t have to take
5 has to work
6 don’t have to do
7 don’t have to write
Exercise 4
2 Does, have to. Yes, he does.
3 Do, have to. Yes, they do.
4 Does, have to. Yes, he does.
5 Does, have to. No, he doesn’t.
6 Does, have to. No, she doesn’t.