SUMMARYOFMODALVERBS(终).ppt

* * 教 学 公 开 课 情态动词总结 （一） 文昌华侨中学英语组 杨绪志 2011.4.11 Do you know who I am? I am Nezha. I am Modal Verb. Six Arms of Nezha Possibility Guessing Advice Duty Permission Ability Six Functions of Modal Verbs 6 She must be the boss. When I was young, I COULD sing very well. But now you CAN not compete against me. Six Arms of Nezha Possibility Guessing Advice Duty permission Ability Six Functions of Modal Verbs Three Heads of Nezha Guessing Three Dimensions of Learning Modal Verbs 13 Things unreal Prohibition No obligation, no necessity -Must I hand in the homework tomorrow? Yes, you must. (IT IS NECESSARY AND OBLIGATARY) No, you needn’t/ you don’t have to. (IT IS NOT NECESSARY) Guessing-game can be interesting. It may be a ping pang ball. It might be a golf ball. (I’m not sure, it’s improbable) It must be a prop (道具). -Someone is knocking at the door. It must be Tom. I made an appointment with him yesterday. (I’M SURE) It’s 12 o’clock. My mother must be cooking now. -It’s 13 o’clock now. My mother must have prepared the lunch. Someone is knocking at the door. It can’t be Tom. He has left for Shanghai. (IT’S IMPOSSIBLE) It’s 12 o’clock but My mother can’t/couldn’t be cooking at home now because she is on business these days. My mother can’t/couldn’t have attended the meeting yesterday because she has been with me since the day before yesterday . 18 You Must Remember: 1. must的否定式: Must -----必须、一定------(情感态度，本来意义) Must----肯定 ----（推 测） 2. 表示“推测”的疑问形式： Can/Could …? Someone is sleeping now. Can it be Yan Jiapeng? mustn’t / don’t have to / needn’t （不用、不必……） can’t /couldn’t （肯定不……） Things Unreal should could needn’t have done Bonny graduated from a key university. She ______ have found a good job in Beijing but she chose to teach in a poor village. A. could B. should C. need D. might 20 ------The weather turns out to be fine. ------ Yeah, we _____ have taken an umbrella. A. shouldn’t