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