20 - твэнти
30 - сьоти
40 - фоти
50 - фифти
60 - сиксти
70 - севенти
80 - эйти
90- найти
100 - ван хангрет
1) must
2) can
3) may; may not
4) must not
5) can't
6) must
1. can
2. May
3. should
4. must
5. must
6. could
7. had to, could not
8. may
9. can
10. Can
2-she is not Sara
3-we are not friends
4-you are not Tim
5-they are not Pete and Suzie
6-he is not a teacher
7-you are not the students in my class
8- it is not a dictionary