Matching Pairs Modals of deductionOnline version Match the sentences that have the same meaning by Alvaro T 1 I’m certain that wasn’t Katie. 2 Perhaps that was Katie. 3 It was definitely Katie. 4 Maybe that isn’t Katie. 5 I’m sure that isn’t Katie 6 I’m sure that’s Katie 7 It’s possible that it’s Katie. That girl can’t be Katie. That must have been Katie. It might not be Katie. It might not be Katie. It can’t have been Katie. It could have been Katie. That girl must be Katie.