Completar Frases Past Modals.Versión en línea Modal verbs in the past, also known as modal preterite or modal past, are used to express modalities like possibility, necessity, obligation, or permission in the past. In English, the modal verbs "could," "might," "should," and "would" are typically used to convey these modal meanings in the past tense. *Complete the following sentences by selecting the right choices. por Leticia Moreno 1 would might have has should could She studied harder for the exam . 2 would should has could have might We left earlier to avoid the traffic . 3 have would might should has could He forgotten to lock the door before leaving . 4 would should might could has have They finished the project on time if they had worked together . 5 should could have has might would I helped you with your homework if you had asked . 6 has have could might would should She listened to her parents' advice before making that decision .