Making Deductions: Must, Might, Can't

Practice logical conclusions with modal verbs

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61.1 Match the Pictures to the Correct Sentences

Example: Janet must have passed her driving test.
Passed test
No answer
Suit
Race

61.2 Cross Out the Incorrect Words in Each Sentence

1. Dan has been off work for days. He must / can't be sick.
must can't
2. Alina drank all the water. She must / can have been really thirsty.
must can

61.3 Fill in the Gaps, Putting the Words in the Correct Order

I can't find my purse. I
must
have
left
the
bus
on

61.4 Match the Corresponding Sentences Together

Jon works for the local zoo.
That must be so interesting.

Answer Key

61.1 Match Pictures
1. Janet must have passed her driving test.
2. George must be out. There's no answer.
3. He can't be the plumber. He's wearing a suit.
4. It looks like Sam could win this race.
61.2 Cross Out
1. can't
2. can
3. could not
4. might
5. must / can't
61.3 Fill Gaps
1. must have left the bus on
2. might have broken it
3. must have
4. could be a bear
5. must be cold
61.4 Match Sentences
1. That must be so interesting.
2. It must have cost a lot of money.
3. She might have lost her phone.
4. You can't have followed the recipe properly.
5. She can't be feeling very happy.