Răspuns:
1.can't be
2.can you
3.could
4.can't
5.should
6.shouldn't
7.must have
8.could be
9.could
10.must
11.should
12.won't
13.can
14.would
15.don't need
16.shouldn't
17.can
18.shouldn't
19.should
20.couldn't
