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