1
a) can
b) mustn't
c) should
d) might
e) must
f) needn't
g) may
h) can't
2
a) should
b) must have been
c) would have bought
d) shouldn't have paid
e) should have go
f) couldn't call
3
a) She might have took the money.
b) You don't have to come with me. I'm not afraid.
c) She can't lock the door.
d) He couldn't score the goal because he didn't play the game.
e) Jack must have missed the bus.
f) John can cook.
4
a) You should study harder.
b) She needn't bring the that coat.
c) Students must not use the phone in the class.
d) She might have fell asleep.
e) I must have looked silly in that costume.
f) You aren't aload to talk during the exam.
