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have been would been had been were
to have come to come to be coming to have been coming
shouldn’t have gone mustn’t have gone couldn’t have gone mightn’t have gone
should have gone; was would have gone; had been should go; was would go; had been
could make would make must have made could have made
to have; looking having; look having; looking to have; look
should have gone; was would have gone; had been should go; was would go; had been
slight temporary light mild
I don’t think so I’m afraid not I hope so I’m afraid so
to have come to come to be coming to have been coming
If I knew If I know Had I known Did I know
I don't think so. I'm afraid not. I hope so. I'm afraid so.
to have come to come to be coming to have been coming
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