Past Modal Verbs of Deduction Exercise

ONLINE EXERCISE ABOUT PAST MODAL VERBS OF DEDUCTION

Past Modal Verbs of Deduction Exercise

by Bob Wilson at autoenglish.org

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Past Modal Verbs of Deduction Exercise

She must have gone out	-	There is strong evidence.
I might have made a mistake	-	There is a possibility that I made a mistake.
He can't have been there.	-	It's impossible.
You should have apologised	-	A criticism
You shouldn't have said that.	-	A criticism

Past Modal Verbs of Deduction Exercise

Fill the gaps with the right modal verb.

She ................................studied really hard. She passed all her exams with excellent grades.
1. must have
2. might have
3. can't have
4. should have
You ................................ shouted at him. He'll never forgive you.
1. might have
2. shouldn't have
3. must have
4. can't have
He ................................ arrived by now. It's only a 20 minute journey.
1. must have
2. might have
3. can't have
4. shouldn't have
The concert was fantastic. You really ................................ come.
1. must have
2. might have
3. can't have
4. should have
The boss is in a terrible mood. The meeting ................................ been good.
1. must have
2. might have
3. can't have
4. shouldn't have
Sarah ................................ been so happy when she found out she was being promoted.
1. must have
2. might have
3. can't have
4. shouldn't have
I had to wait 45 minutes for a bus yesterday. There ................................ been an accident or maybe a strike.
1. must have
2. might have
3. can't have
4. should have
He ................................ bought a new car. He doesn't have any money.
1. must have
2. might have
3. can't have
4. should have
Andrew did no revision for the exam but he's passed. I think he ................................ cheated.
1. must have
2. might have
3. can't have
4. shouldn't have
I left my bicycle in front of the library and it's disappeared. Someone ................................ stolen it.
1. must have
2. might have
3. can't have
4. should have
Clara was very upset with you yesterday. You ................................ apologised for saying she was lazy.
1. must have
2. might have
3. can't have
4. should have
John has forgotton about the meeting. We ................................ reminded him about it yesterday.
1. must have
2. might have
3. shouldn't have
4. should have
I'm sorry but Samantha isn't here. She ................................ already left the office.
1. must have
2. might have
3. can't have
4. should have
You ................................ tried to fix the roof yourself. You might have fallen off and been badly injured.
1. must have
2. might have
3. can't have
4. shouldn't have
He ............................ known it was your birthday. Otherwise, I'm sure he would have wished you a happy day.
1. must have
2. might have
3. can't have
4. shouldn't have

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