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 I saw your brother this morning. You may have left it in the car. He must have passed his test. They must have started dating. Jack looks very happy. Your brothers left early. You can't have been sick. They might have been in a hurry. It couldn't have been him. He's traveling. I saw you playing soccer. Katie looks tired. She might have watched a sad movie. She must have worked a lot. I saw Jim and Anna together at the movies. Lucy's crying. I can't find my wallet.