Relier Pairs Modal Verbs + Have + Past ParticiplesVersion en ligne Match the modal verbs with their corresponding past participles to form correct sentences. par Marcella Endrigo 1 should have 2 must have 3 could have 4 might or may have 5 can't have 6 would have 7 shouldn't have used to express that sth happened (or not) in the past as a result of sth else used to say that sth was a good idea, but we didn't do it used to say that sth wasn't a good a idea, but we did it used to conclude that sth was impossible in the past used to express conclusions about the past used to express what was possible in the past used to say that we had the opportunity to do sth, but we didn't