Common Mistakes


























have /of / 've


(Common Mistake)

should have / should've

  • I should have tried again.
  • I should've tried again.

should of

could have / could've

  • That could have been the last time.
  • That could've been the last time.

could of

would have / would've

  • I wish I would have known.
  • I wish I would've known.

would of

shouldn't have

  • You really shouldn't have done that.

shouldn't of

couldn't have

  • The weather couldn't have been nicer.

couldn't of

wouldn't have

  • I wouldn't have called if I'd known you were sleeping.

wouldn't of


Instructions for the quiz:

Choose the correct form. The correct form is the one that uses "have".