Răspuns:
1) May
2) Must
3) Might
4) needed to sau must ( nu sunt sigura)
5) should have told
6) might
7) Must
8) were supposed to
9) was able to
10) mustn't
11) nu sunt sigură aici :(
12) couldn't
13) was able to
14) might have been working
15) nu sunt sigură nici aici
16) didn't have to
17) Must sau can(nu sunt sigura)
18) would
19)won't be able
20)nu sunt sigură
sper macat ca te am ajutat la unele :)