Memory Past Modals of deductionVersión en línea A pelmanism game to practice past modals of deduction. Students must match each situation card to the deduction card. por Jessica Oliveira Your brothers left early. He must have passed his test. They must have started dating. You can't have been sick. I can't find my wallet. You may have left it in the car. Lucy's crying. They might have been in a hurry. She must have worked a lot. I saw your brother this morning. Katie looks tired. I saw you playing soccer. She might have watched a sad movie. It couldn't have been him. He's traveling. I saw Jim and Anna together at the movies. Jack looks very happy.