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 have might could has should She studied harder for the exam . 2 could should have might has would We left earlier to avoid the traffic . 3 might should have could has would He forgotten to lock the door before leaving . 4 would should could might have has They finished the project on time if they had worked together . 5 should might have has could would I helped you with your homework if you had asked . 6 has should might could have would She listened to her parents' advice before making that decision .