Sarah looks really pleased with herself. She ________ passed her driving test this morning.
might have
should have
must have
must not have
John ____________ gone on holiday. I saw him this morning downtown.
should have
could have
must have
couldn't have
Nobody answered the phone at the clinic. It ________ closed early.
might have
must have
must not have
should have
I can't believe Jim hasn't arrived yet. He ________ caught the wrong train.
could have
should have
must have
might have
Don't lie to me that you were ill yesterday. You ________ been ill, Don saw you last night!
shouldn't have
couldn't have
mustn't have
might not have
Her phone was busy all night - she ________ been on the phone continuously for hours.
should have
might have
could have
must have
There weren't any trains yesterday. They ________ been on strike.
must have
should have
might have
could have
You ________ seen her. She was standing right next to you!!
must have
should have
might have
could have
You ________ got a good score on the test, because you didn't studied.
must have
should have
couldn't have
might have
That man was really angry with you. You ________ done something.
must have
can't have
couldn't have
musn't have
The car isn't driving very well. You ________ got a flat tire.
must not have
should have
must have
might have
The lake is frozen today. It ________ snowed yesterday.
could have
must have
might have
should have
