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 They COULD HAVE joined us in Vietnam, but they decided to stay longer in Laos. 3 I SHOULD HAVE asked about the tickets. I think it's too late now. 4 He MUST HAVE done really well in the interview for them to offer him the job so quickly. 5 I couldn't find my keys and I thought I MIGHT HAVE lost them in the park. past possibility criticism of past actions past possibility certainty about the past lack of necessity or obligation in the past