might have left - I wonder where my gloves are. I ________ them in the car or maybe in the kitchen., must have told - My father knew about the surprise party. Someone _______ him about it., may have fallen - I don't understand how the accident happened. The driver _______ asleep., couldn't have been - Adam passed the exam without studying. It ________ very difficult. , might not have heard - I'm sure my grandmother was home, but she didn't answer the door. She , must have forgotten - When I got up this morning , the TV was still on in the living room. You ________ to turn it off. , may not have had - The children didn't make their beds this morning. They ________ time., couldn't have seen - A: Your boyfriend walked past me without saying hello. B: He_____________ you. ,




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