九年级Unit 5 It must belong to Carla.ppt

表示推测的情态动词小结 1.Can用在否定句或疑问句中时表示说话人的“推测”和“不确定” 例如：1.Where can he be? 2.It may be the headmaster. No, it can’t be him. He has gone to shanghai. Could 也有怀疑和不确定的意思（在否定句中和疑问句中） 例如：1. At the time, we thought the story could be true. 2. He couldnt be a bad man 2.May 表示说话人的猜测，认为某一事情“或许”或“可能”发生。 There may be a terrible storm in the following few days. Might 表示推测时，不表示时态。只表示可能性更小。 He might be at home. 3. must用在肯定句中表示较有把握的推测，意为“一定”。 He must be working at home. must 表示对已发生的事情的推测时，must 要接完成式 . The road is wet. It must have rained last night Read again for information Who? What did they find? What did they think it was? Zhou Gu’s wife Zhou Gu Zhou Gu’s parents Qi Hui strange noise outside their window could be an animal strange noise outside their window must be teenagers having fun nothing strange might be the wind ? might be a dog couldn’t see the dog, but there were still noises outside ? Our neighborhood _______be very_____. However, these days , _______things are happening in our _____________and everyone is_________. Zhou Gu, the _____ ______ ______is extremely worried. used to quiet strange neighborhood unhappy local school teacher When he was ___________by the local newspaper, he said, “Every night we hear strange noises ______our window. My wife thinks that it could be an_______, but my friends and I think it must be teenagers______ _____. interviewed outside animal having fun My parents called the______, but they can’t find________ ________. They think it might be the______. I don’t think so!” police anything strange wind Zhou’s _____ ______neighbor Qi Hui is ________too. “At first, I thought it _______be a dog, but I can’t see a dog and I still ____the noises outside.” next door unhappy might hear Everyone in our neighborhood _____worried, and everyone ____his or her own ideas. There must be something _______the homes in our neighborhood, but what is it? is has visiting Retell the story: A local school teacher call