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