Completar frases Could Couldn´tVersión en línea Unit 6 por Nella Rodriguez 1 could could´t could could couldn´t could could couldn´t He learn fast . She be wrong . I go back in the past . It be risky . He be a great doctor . Could you let me go . Could she safe some money each week ? Could you pay more attention to the teacher ? Could I sleep more ? Could he go to the park with us ? We finish that task . it be more dificult we ask for something els e