Luyện ngữ pháp - Destination B1 - (Unit 22: Grammar - Modals 3: the modal perfect)


Probability and possibility

Use Modal Example
Strong probability must / can ’t They must have had a lovely holiday!
( = It's almost certain that they had a lovely holiday.)

They can’t have had any sleep!
( = It's almost certain that they didn't have any sleep.)
Possibility could /may /might Helen might have found a new house.
( = It's possible, but I'm not certain.)

Form - Criticism Form - Expectation


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