Perfectos Modales: must have / should have

Question 1

Her car is gone. Choose: She ___ left already.

Accepted Answer

must have

Answer

should have

Answer

can't have

Question 2

You regret eating too much. Choose: I ___ so much cake.

Accepted Answer

shouldn't have eaten

Answer

mustn't have eaten

Answer

couldn't have eaten

Question 3

You're not sure why she missed it. Choose: She ___ the meeting.

Accepted Answer

might have forgotten

Answer

must have forgotten

Answer

can't have forgotten

Question 4

She's been away all week. Choose: You ___ seen her.

Accepted Answer

can't have

Answer

must have

Answer

should have

must have left