Odpowiedź:
Zad 1
2 could
3 can't
4 could
5 must
6 can't
7 may
8 might not
Zad 2
1 A
2 B
3 A
4 C
5 B
Zad 3
2 may not
3 can't
4 could
5 must
6 may
7 could
8 might
Zad 4
tu nie gwarantuję, że użyłam właściwych modali, bo czasem trudno oszacować z jakim poziomem pewności mamy do czynienia, ale cała reszta, z gramatycznego punktu widzenia jest zrobiona właściwie
2 There might have been a curse in the pyramid.
3 It can't have been a practical joke.
4 She might have returned as a ghost.
5 Someone must have taken it.
6 He may have invented the story.
