B2Upper-intermediateTopic: Modal verbs
She must have forgotten
Must have, might have and can't have + past participle for guesses about the past, and must have been + -ing.
13 questionsby Grove EnglishAdded 19 Oct 2026
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How sure are you about the past?
Choose the correct words.
The streets are wet. It in the night.
He the email yesterday. He was on a plane all day.
I'm not sure where my keys are. I them at work.
Anna didn't answer when I called. She .
I'm not sure, but he me.
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