初中英语-中考语法-情态动词(共23张)课件

1、canshouldmaywillmustwouldmight19/30/2022canshouldmaywillmustwouldmight情态动词modal verb29/30/2022情态动词modal verb29/27/2022Discussion What will you do or say when1. you are late for class2. you see an old man carrying a heavy box3. you see some kids playing on the road May I come in? Can I help you? You

2、mustnt play on the road.39/30/2022Discussion What will you do omay & mightwill & wouldneed / darecan & couldmustshall & should情态动词49/30/2022may & mightwill & wouldneed / What can I do? I can swim. What can he do? He can swim. What can they do? They can swim. 1. 情态动词+ V原2. 无人称和数的变化3. 独立进行句型转化 59/30/2

3、022What can I do? I can swim. Whacan & could can的主要用法 A. _： The girl can dance very well. B. _： Can the news be true? C. _: Can I sit here? 表示能力表示推测,可能性（多用于疑问、否定句中）No, it cant be true.表请求或允许, “可以”69/30/2022can & could can的主要用法表示能力表示推测,can & couldcould的主要用法 A. _ I could read when I was three. Father

4、said I could go out with my friends. We all knew that the young man couldnt be a doctor.B. _ Could you lend me your bike? Could I use your bike?表示过去的能力,许可和推测 (肯、否、疑)(can could)在疑问句中表示委婉的请求79/30/2022can & couldcould的主要用法 表示过去的能力, exercise1. I saw John in the park this morning. It _ be him. He has gon

5、e to Hong Kong. A. cant B. can C. must2. Lucy is walking the dog in the park. She _ be. Listen! She is singing loudly in her room. A. cant B. mustnt C. neednt 3. Look! Is the young lady wearing a blue dress Grace? No, it _ be her. She is picking up my sister at the airport. A. cant B. mustnt C. can8

6、9/30/2022 exercise1. I sawmay & might may 的主要用法 A. _ May I come in? Yes, please. / No, you mustnt/cant. B. _ But I may be wrong. The guest may arrive this afternoon. C. _ May you succeed! May you have a good journey! 表示请求、允许;比can正式，“可能，也许”表示猜测(肯，否)表示祝愿;语气较正式99/30/2022may & might may 的主要用法 表示请求、允许may

7、 & mightmight 的用法 1. _ She said that he might take her bike. 2. _ Might I smoke here? You might get some help from her if she were here.也可以表示现在的可能性、许可，但是比may表示的可能性更小；且might可以用于虚拟语气表示过去的可能和允许,“可能，也许”(may-might)109/30/2022may & mightmight 的用法也可以表示现在的可能 exercise1. What will the weather be like tomorrow

8、? . A. must B. might C. shall 2. _ I take photo here? No, you mustnt. Dont you see the sign “NO PHOTOS”? A. Would B. May C. Must3. Wow! Another gift! Whats in the box? Im not sure. It _ be a pair of sports shoes. A. must B. may C. will119/30/2022 exercise1. What will themust 1. _ You must be careful

9、 next time. You mustnt take photos here. 2. _ You have worked hard all day. You must be tired. 3. must 引导的疑问句 Must I finish the homework today? Yes, you must / have to. No, you neednt / dont have to.表示义务/命令/必要，“必须”mustnt “禁止”表示推测，只用于肯定句129/30/2022must 1. _表示义务canmaycouldmustmight推测可能性由大到小139/30/2022

10、canmaycouldmustmight推测可能性由大到小1 exercise1. We _ drive after drinking. Its very dangerous. A. can B. may C. mustnt2. Look! The woman at the school gate _ be our headmaster. No, it _ be her. She is holding a meeting in the office now.A. must;cant B. must;mustnt C. can;neednt3. I _ go now, or I ll miss

11、my trian. A. can B. might C. must149/30/2022 exercise1. We _ driwill & would1. _I will tell you something important. 我将要告诉你一些重要的事。Will you tell her that Im here? 请您告诉她说我在这儿，好吗? 2. _ Will you come here, please?Will you join us for a drink?will是助动词也是情态动词, 用于构成将来时是助动词,用于表“意志/决心/意愿”是情态动词。（助动词）（情态动词）表示请求

12、，与you连用159/30/2022will & would1. _wiwill & would“请求，许可” would表委婉不是表过去1. _ He wouldnt help me yesterday.She asked if I would go with them.2. _ Would you type this, please?= Will you type this, please?Teacher wouldnt allow it. = Teacher wont allow it.表示过去的意愿will would169/30/2022will & would“请求，许可” wou

13、ld表委婉不是 exercise1. _ you give me a hand? (will / would)2. Why didnt you come Toms party last night? I wanted to, but my mother simply _ not me out so late at night. A. will B. would C. should3. John promised his doctor he _ not smoke, and he had never smoked ever since. A. would B. might C. couldWil

14、l / Would179/30/2022 exercise1. _ you gishall & should1. _Perhaps I shall pay a visit to England this winter.可能今年冬天我会去英国观光。 shall用于构成将来时是助动词用于征求意见,是情态动词, 一般用于第一人称和第三人称2. _Shall we go by train, Tom? Tom，我们乘火车去好吗？Shall he come in? 要他进来吗？3. _You shall not enter my house.用于第二、三人称，表示命令、警告189/30/2022shall

15、 & should1. _shall & should1. _Dinner should be ready by now.She should be here at a minute.2. _You should keep your promise. He should work harder.3. _Its strange that he should be absent.表示义务/建议/责任,“应该,必须” 表示可能性、推测,“可能，应该” 表示情感、意志,“竟然” must 表示规章制度方面You mustnt smoke here.should 表示道德规范方面You should b

16、e here on time.199/30/2022shall & should1. _ exercise1. Its too hot. _ I swim in the lake? No, you _. Thats too dangerous! A. Should;cant B. Need;mustnt C. Could;cant2. The room is so dirty. _ we clean it? OK. A. Will B. Shall C. Would D. Do209/30/2022 exercise1. Its tooneed 1. _You neednt say sorry

17、 to me.You neednt come if you are busy.2. _Need I come tomorrow?No, you neednt. / Yes, you must.情态动词，在否定句中表示“不必”情态动词，在疑问句和肯定句中，表示“需要” He needs a book. I need to go back home now. I dont need to go back home now. Do you need to go back home now? Yes, I do. / No, I dont. The windows need cleaning/to be cleaned. need sth / to do sth / doing(to be done)实意动词219/30/2022need 1. _情态动词，在dare1. 情态动词: 敢于，竟敢，