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