人教版九年级英语全一册Unit_08语法课件新版九年级Unit8语法精美课件共23张幻灯片.pptVIP

Grammar Unit 8 It must belong to Carla. 1. can, may, must, could, might, must 2. shall, will should, would 3. be able to, have to 4. need, dare 1. 会运用不同的情态动词表示推测。 2. 会梳理情态动词的用法。 3. 学会整理自己的东西，井井有条。 1. --- Whose notebook is this? --- It must be Ming’s. It has her name on it. 2. --- Whose French book is this? --- It could be Carol’s. She studies French. 3. --- Whose guitar is this? --- It might belong to Alice. She plays the guitar. 4. --- Whose T-shirt is this? --- It can’t be John’s. It is too small for him. 表示可能性最大的肯定推测，意思是“一定、准是”。只能用于肯定句。如果要表示“一定不”，应该用can’t。 e.g. He must know the answer. 他肯定知道答案。 He can’t know the answer. 他肯定不知道答案 can表示推测“可能性”时，一般用于否定句。 e.g. He can’ t pick her schoolbag up. 他不可能拿了她的书包。 could 用于表示某事有可能发生或可能是事实。 e.g. Don’t eat it. It could go bad. 不要吃它，它可能坏了。 The plane could be put off by the storm. 这趟飞机可能会因为暴风雨而推迟。 could可用于表示客气、礼貌、委婉的 请求语气。 e.g. Could you please help me with my homework? 你能帮我完成我的家庭作业吗？ may, might表示推测“可能性”时，意思是“可能”，“也许”。might不表示过去时态，语气更委婉，可能性更小。may，might表推测时，可用于否定句，但不用于疑问句。 e.g. He may/ might not be at home, but I’m not sure. 他可能不在家，不过我也不确定。 4a Choose the best way to complete each sentence using the words in brackets. 1. A: Where’s Jean? B: I’m not sure. She ________ (is/ might be/ must be) in the laboratory. might be 2. A: Everyone is going to the pool after school. B: Really? It _______ (must be / can’t be /could be ) hot outdoors. must be 表示“位移”的动词用现在进行时态表将来，例如：go去，come来，leave离开，arrive到达，return 回来，fly 飞。 e.g. I am coming.=I will come. He is leaving for Paris.=He will leave for Paris. adv. 在户外，在野外 3. A: That’s the phone. B: Hmm. I wonder who it _______ (must be / could be / should be). could be 4. A: I wonder if there are Jim’s glasses. B: They _______ (can’t be / might be / could be) his. He doesn’t wear glasses. can’t be wonder v. “想知道” (want to know) 5. A: I hear water running in the