She [.........] have been to Italy last month. I ran into her at the supermarket.
mustn't have been
must have been
can't have been
couldn't have been
He [.......] the assignment by now; the deadline was yesterday.
might have submitted
can't have submitted
must have submitted
should have submitted
If he had studied harder, he [.........] the exam.
could have passed
must have passed
couldn't have passed
can't have passed
I don't know why he isn't answering his phone. He [.............] it.
must have lost
should have lost
can have lost
might have lost
I'm not sure where the umbrella is... She [..........] at the office. I'll check there.
might have left
can't have left
could have left
should have left
I [.......] with you to the cinema, but you didn't ask me to.
can't have come
should have come
could have com
must have come
I regret not studying for the French exam. I [..........].
must have studied
would have studied
could have studied
should have studied
I didn't know you had trouble with maths. I [..........] you.
couldn't have helped
must have helped
needn't have helped
would have helped
Tom loves horror films. He [..........] this thriller.
might have enjoyed
can't have enjoyed
must have enjoyed
couldn't have enjoyed
Today is the play and he still doesn't know all of the words by heart. He [..........] them by now.
should have learnt
shouldn't have learnt
couldn't have learnt
must have learnt
I didn't know you were interviewed in the local news. I [..........] it.
can't have watched
should have watched
must have watched
would have watched
I'm not sure why he missed yesterday's band practise. He [..........] ill.
must have been
can't have been
needn't have been
might have been
You're late. You [..........] here an hour ago.
should have been
couldn't have been
must have been
can't have been
You look tired. You [..........] for many hours.
might have been working
can't have been working
must have been working
should have been working
