“could have”

The following 3 entries include the term could have.

could have fooled me

idiom

used to say that something seems very surprising or doubtful based on one's own observations

could have sworn

idiom

used to say that one feels definitely sure about something though it appears not to be true

you could have knocked me over with a feather

idiom

used to say that one was extremely surprised or astonished when he or she found out about something


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