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SPECULATING ABOUT THE PAST - Coggle Diagram
SPECULATING ABOUT THE PAST
words followed by a past participle
might have
Paul's late.He might have got lost.
must have
Julie isn't here. She must have left early.
could have
Paul's late.He could have got lost.
can't have
Jack hase been at home all day.You can't have seen him in town
may have
Paul's late.He may have got lost.
opposit meanings to each other
can't have
things that we are almost certain were not true or did not happen in the past
must have
things that we are certain were true or happened in the past
NOT POSSIBLE
mustn't have
to talk about things happened in the past
might have
may have