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