Question

Please do and explain:

Answer 1

1. mustn't ( must not )
2.must be
3.should have gone
4.could
5.must have ( not sure )
6.must have been
7.might met
8.could you
9.couldnt
10.should have told
11.dont need to
12.must be
13. must have
15. could

happy if i helped , am not sure of all of them tho ..