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MODAL TO EXPRESS DEGREES OF CERTAINTY - Coggle Diagram
MODAL TO EXPRESS DEGREES OF CERTAINTY
DIFFERENT DEGREES OF CERTANUNTY
Use perFect modals(modal + have+ past participle) to show degrees of necessityin the past
ALMOST CERTAIN ABOUT THE PRESENT
Use must/have to/have got to, can’t/couldn’t, and must not+ base Form to speculate about the presentwhen you are almost certain
can't
couldn't
have got to
must not
have to
must
ALMOST CERTAIN ABOUT THE PAST
Use must have/had to have/must not have+ past participle when you are speculating about the pastand are almost certain
had to have
must not have
must have
LESS CERTAIN ABOUT THE PRESENT
Use may/might/couldand may not/might not+ base Form to speculate about the presentwhen you are less certain
could
may not
might
might not
may
LESS CERTAIN ABOUT THE FUTURE
Use may/might/could+ base Form when you are less certain(about 50%) about a Futureaction or event
might
may
could
LESS CERTAIN ABOUT TEH PAST
Use may have/might have/could have+ past participle when you are speculating about the pastand are less certain(about 50%).
might have
could have
may have
ALMOST CERTAIN ABOUT THE FUTURE
Use should/ought to+ base Form when you are almost certainabout a Futureaction or event