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