If you wanted to stay in that hotel you __ booked before!
could have
might have
should have
He __ committed the crime, as he had both the motive and the opportunity.
can't have
would have
If I had known about your accident, I __ phoned you.
may have
Lucy __ attended the concert, but we aren't sure.
You __ finished that book already! You only started reading it an hour ago.
shouldn't have
I think they __ got lost - surely they'd be here by now!
can have
must have
Oh no! My phone isn't in my bag. I __ left it on the train.
She __ been a lawyer but she decided to study accountancy instead.
You __ gone to Dan's party - it was fantastic!
I'm so sorry I woke you up. I __ called you if I knew you were sleeping.
might not have
wouldn't have
