Relacionar Columnas B1+ - U5 - GrammarVersión en línea Match the sentences with the functions of the modals. por Rocío Oviedo 1 You NEEDN'T HAVE worried about giving the presentation. You were really good! 2 I SHOULD HAVE asked about the tickets. I think it's too late now. 3 They COULD HAVE joined us in Vietnam, but they decided to stay longer in Laos. 4 I couldn't find my keys and I thought I MIGHT HAVE lost them in the park. 5 He MUST HAVE done really well in the interview for them to offer him the job so quickly. certainty about the past past possibility past possibility lack of necessity or obligation in the past criticism of past actions