Perfect Modal Verbs in English and Example Sentences

Perfect Modal Verbs in English and Example Sentences

ModalExample
Would haveIf I had guessed the future, I would have taken some precautions against what would happen.
Could haveHe could have taken the flight.
May haveWe may have passed the math exam, but it was in Spanish.
Might haveYou might have sold the car., if you really needed the Money.
Should haveYou should have listened to the teacher.
Must haveWe must have been crazy!
Shouldn’t haveHe shouldn’t have told the.
Needn’t haveYou needn’t have bought it, because I have already.
Ought to haveYou ought to have warned me earlier.