Unit 6 Grammar 情态动词课件 2024-2025学年沪教版（2024）七年级英语下册

Lesson 6 Electricity everywhere Grammar Time would heal almost all wounds Time would heal almost all wounds 1 情态动词有哪些？ He can swim. They can swim. 1. 情态动词要和动词原形连用 2. 无人称和数的变化 He cans swim. They are can swim. Modal verbs 3 完成PK后，引出本课话题，钱的历史 4 一：can VS could 1. Miss Yang can swim. 2. Miss Yang could swim when she was a baby. 表能力（技能/语言等），意为“能，会”（could表示过去的能力） 3. You can go now. 4. You can’t play computer games. 5. Can /Could you pass me the book? Yes ,you can./ Of course/ Sure. No ,you can’t. / may not./ mustn’t. 表许可，意为‘可以’ can’t 还可表示推测，意为不可能 6. It can’t be him ,he has gone to England. 表请求，意为‘能够’（could语气更加委婉） 完成PK后，引出本课话题，钱的历史 5 注意： can表“具备的能力” be able to 表“经过一段时间的努力后所具有的能力” I failed in the exam, but I’ll be able to pass the exam next time. 完成PK后，引出本课话题，钱的历史 6 I            see the words on the blackboard.            you write a bit clearly? A. mustn't, Can B. don't, Will C. can't, Can D. needn't, Could 2. Nowadays, people            pay for things conveniently with their mobile phones. A. must B. need C. can D. should 3. You will            speak English fluently next year if you work harder at it. A. can B.be able to C. have to D. need C C B 4. —Is Betty in the office? —No, she            there. I saw her in the cafeteria several minutes ago. A. couldn't be B. can't be C. mustn't be D. needn't be 5. The soldiers waited until evening so that they            attack the enemy under cover of darkness. A. could B. might C. must D. should A A 二：may VS might 1. －May I come in? Yes ,you can./ Of course/ Sure. 表请求和允许，回答用may不用might，常与第一人称使用。   No ,you can’t. /mustn’t / may not. 2. I’m afraid it might rain tonight. (下雨的可能性非常小) 3. May you have a good time. 表可能性，意为“可能，也许”。 常用于肯定句， might可能性更小. 表祝愿 完成PK后，引出本课话题，钱的历史 9 1. — Do you have any plans for this weekend? — I            go to the countryside to see my grandparents. I'm not sure. A. may B. should C. need D. must 2. —            I use your eraser, Rose? — Sure. Here you are. A. May B. Would C. Need D. Must 3. — Will you answer the telephone? It            be your mother. — Sorry. I            . I'm busy.  A. can; mustn’t B. will; can’t C. may; can’t D. need; will 4. — Where did you put your schoolbag ? — I can't remember. I attended a concert yesterday so it            still be in the music hall. A. can’t B. need C. might D. must 5. —Where is Mary? —I'm not sure. She            be in the laboratory. A. must B. might C. need D. mustn't A A C C B 三：must VS have to 1. －Must I do my homework now? －No, you needn’t / don’t have to. 表“必须”，must多表主观；have to 多表客观,有时态变化. 否定回答用needn’t或don’t have to。 2. You mustn’t smoke here. (禁止抽烟) 3. You have worked hard all day.You must be tired.(推测) mustn’t 表禁止 表推测, 意为“一定是” (结果非常肯定) 完成PK后，引出本课话题，钱的历史 11 As a teen, I think we            learn to take good care of ourselves in life. A. may B. must C. needn’t 2. —Where is Mr. Lee? —En, it's 2 o'clock now. He be in the Personnel Department. He has an appointment with Mrs. Green there at this time. A. might B. must C. can D. would 3. They            play near the heater. It may hurt them. A. can B. should C. needn’t D. mustn’t 4. — Can children under the age of 12 ride bicycles in your city? — No, according to the law, they            . A. may not B. needn’t C. mustn’t D. shouldn’t 5. Yesterday it rained heavily when school was over. We            stay in our classroom. A. should B. must C. had to B B D C C 四：shall VS should 1. Shall we go now ? 2. We should be polite to our teacher. shall用于第一，三人称，用于疑问句，表示征求对方意见。 should意为“应该”，表示劝告，建议。 完成PK后，引出本课话题，钱的历史 13 1. —The room is so dirty.            we clean it? —Of course. A.Will B.Would C.Do D.Shall 2. Shall we            some books at the book fair? A.to buy B.bought C.buy D.buying 3. We teenagers            have dreams. With dreams and hard work, anything amazing can be created. A.can B.may C.need D.should D C D 14 五：will VS would 1. There will be a meeting tomorrow. 2. My teacher said there would be a meeting the next day. will用于将来时；would用于过去将来时，意为“将会” 。  3. Will/ Would you open the door? Yes , I will./ Of course/ Sure. No , I won’t. 表请求（would语气更加委婉） 完成PK后，引出本课话题，钱的历史 15 1. — I'm going to the supermarket to buy some salt.            you come with me? — Sorry. I'm too busy right now. Could you get me some fruit            you are there? A. Will; while B. Shall; while C. Will; if D. Shall; if 2. Would you please            me alone at home? A. don't leave B. not leave C. not to leave 3. Can you guess what will            Alice after that? A. happen for B. happened to C. happen to D. happening with C B C 六：need实义动词 VS need情态动词 1. She needs to stay at home today. 否定：She doesn’t need to stay at home today. 一般疑问句：Does she need to stay at home today? need/needs/ to do sth. need 做实义动词，有人称和数的变化 need 做情态动词，无人称和数的变化 2. She need stay at home today. 否定：She need not stay at home today? 一般疑问句: Need she stay at home today? need do sth. 完成PK后，引出本课话题，钱的历史 17 Charlie            buy the tickets for the play because his sister has bought them. A. needn’t B. doesn't need C. needn't to D. doesn't have 2. It's dangerous for little children to stay alone. They need            all the time. A. taking care B. taking care of C.to take care D.to take care of 3. — Must I return this book tomorrow? — No, you            . You can keep it until next week. A. can’t B. mustn’t C. needn’t D. shouldn't A C C 18 情态动词（一）及用法 can could be able to may might 20 情态动词游戏规则介绍 1、根据句子让学生说出该情态动词对应的用法 2、正确加一分，错误减一分 Jump into the hu-la-hoop 表能力 表可能性 表请求 或许可 Birds can fly. You can use my pen. Can you swim? He can’t be at home now. Can you borrow me a ruler and a pen? He could play the violin when he was young. Could I turn on the TV? Jump into the hu-la-hoop 表请求或许可 表推测 You may come in now. May I sit here? He may know the answer. Might I smoke here? You may be right. She might be writing a letter now. Jump into the hu-la-hoop 强调通过努力具备的能力 强调原本具有的能力 Although the fire spread very quickly, we were able to run away. She can speak English. I am able to play the piano. Lily can understand our words. 情态动词（二）及用法 must have to will would be going to should shall 25 情态动词游戏规则介绍 1、根据句子让学生说出该情态动词对应的中文意思 2、正确加一分，错误减一分 Let’s race! 52 1 You must go to bed now. 2 You don't have to go to school today 3 She is not at home. She must be out. 4 We mustn’t be late again. 5 He said he would go abroad. 6 I have to do my homework now. 7 You shoud go to bed now. 8 He is going to the library this week. 9 Shall we go shopping now? 必须 不准 一定 1 2 3 4 5 6 不需要 不得不 将会 应该 7 8 9 情态动词（三）need及用法 28 兔子找萝卜游戏规则介绍 1、让学生规划兔子找萝卜的路线，遇到挡路的卡通 人物时，用鼠标左键点击，进行闯关，答对即可通过。 2、答题完毕点击右下角的“返回”按钮，即可返回 路线图。 3、兔子走错路可能被加分或减分。 FINISH START To review How to Play: Click on the player to advance to the question slide. Click on the answers to reveal RIGHT and OOPS. Click on Move Along to go to the next map. 30 ______ I ______ my homework now, Mom? A. Do; need do B. Need; do C. Need; to do D. Do; need doing B You ______ believe what he says. He always tells lies. A. need to B. need C. don't need D. don't need to D —Does he need ______ there at once? —No, he ______ leave in a hurry because he has enough time. A. to go; doesn't need B. go; needn't C. to go; needn't D. going; doesn't need C I ______ a new pair of shoes. But I need to buy a new shirt. A. don't need B. needn't C. don't need to D. needs A You            to the meeting today if you have something important to do. A. needn't to come B. don't need come C. don't need coming D. needn't come D -3 -2 a. 情态动词后必须接____________, 不能单独做谓语。 b. 情态动词没有____________的变化, 即第三人称单数后____________ Review 动词原形 人称和数 不能加s 过去式 couldn’t may not might not 完成PK后，引出本课话题，钱的历史 38 第一人称 shall not won’t will mustn’t must 必须是, 一定是; 也许是, 可能是 不可能是 B C C C B A C B C A C B A C B C must Could can mustn’t can can/can’t may/can must must Must needn’t May can’t Can can’t May/Can $$