YI4_MODEL PERFECT PRACTICE

You look freezing. You _____ worn a coat.

• should have

• might not have

• could have

Ask that question again; the teacher _____ heard you.

• shouldn't have

• couldn't have

• could have

Your brother has got your email account. You ____ told him your password.

• must have

• mustn't have

• couldn't have

Jack was really upset. You ____ laughed at him!

• can't have

• may not have

• shouldn't have

I sent you a postcard, but you ____ received it yet.

• may have

• should have

• might not have

Your phone is dead. You ____ recharged it this morning.

• might have

• shouldn't have

• can't have

I can't remember when I last saw you. Maybe it was last April, or it ______ been in the summer.

• might have

• must have

• can't have

You _______ invited Sam to the party. He's a really nice guy.

• can't have

• should have

• might not have

Let's run for the bus. It ______ left yet.

• should have

• may have

• might not have

COMPLETE THE SECOND SENTENCE SO THAT IT HAS THE SAME MEANING AS THE FIRST ONE. USE MODELS IN THE PAST.

I shouldn't have refused the invitation.

=> I ___________ accepted the invitation.