七年级下Unit6Grammar(情态动词）

1、 7A 下 Unit6 Electricity Grammar：Modal verbs 情态动词课型：阅读新授课 审核：七年级英语备课组班级：_ 姓名：_ 学号：_ 小组：_【研学目标】1. 掌握情态动词can and cannot; may and may not; must and must not的意义、作用及其通途。 2. 熟练运用情态动词can and cannot; may and may not; must and must not。【研学重点和难点】1. 掌握3组情态动词的运用和表达。【研学任务一：can and cannot(cant) 的运用和表达。】(学习方法指导:小组合

2、作,生生互教，教师点拨，学生展示答案)活动一，朗读以下句子，观察语言规律，体会can的语境，并口头回答以下问题。1. I can run 100 metres in 12 seconds. Can you?2. I can eat a hamburger in 1 minute. Can you?3. Can you type in English very fast?活动二：仿照上面的对话，在组内进行采访活动，组长担任记者负责一一提问其余3个组员，并完成以下表格。( Can you swim?.)组长副组长组员A组员Bswim?ride a bike?speak English well?u

3、se the Internet?cook?活动三，组长根据以上表格，口头向班级其他小组同学汇报组员的情况。如：Daisy can swim. She can ride a bike. She cannot speak English very well. She cannot use the Internet. She can cook.小结：can and cannot(cant)can 的意思是“_”; “_”. 表示能力, 后面跟动词原形。它的否定形式是_ 或 _ , 疑问形式则直接将_ 提前。如：肯定句： I _ speak English. 否定句：I _ speak English

4、. 一般疑问句：_ you speak English ? Yes, I _ . / No，I _.【研学任务二：may and may not的运用和表达。】活动一：talk about class break rules.May/can I drink some water?_May/can I have a rest?_-May/can I sing a song?_May/can I play basketball?_May/can I do my homework?_小结：1. may 的意思是“_”, 表示:请求、允许;2.它的否定形式是_ _ , 意思为“不可以”. 3.can

5、也可以解释 “可以”,相当于may，表示_ _ 。注意：表示现在的允许时，若是请求别人允许自己做某事，May，Can，Could均可用，但用could，may 语气更委婉，表示礼貌或敬意；当以同龄伙伴说话时，也可以用can.如： Can Could I come in? 我可以进来吗 “Could Can I use your pen? ” “Yes, of course you can.” “我可以借用你的钢笔吗?”“当然可以。”（不能说Yes, you could.)【研学任务三：must and must not/mustnt的运用和表达。】活动一，根据以下句子描述，填出相适应的图片1.

6、You must be careful. (picture:_) 2.You must not cycle. (picture:_)3.You must not turn right. (picture:_ ) 4. You must turn left. (picture:_)5. You must not enter. (picture:_) 6. You must not smoke. (picture:_)总结：1. must 的意思是”_”, 用来制定规则或发出命令。使用must 的句子常常具有某种强制力！2. 它的否定形式是_或_, 意为“_”,表示绝对禁止！注意：Must I f

7、inish my homework today? Yes, you must. (是的，你必须完成) No, you neednt.（不，你不需要） 因为mustnt是“禁止，不准！”总结：几种情态动词的一般疑问句的回答问题肯定回答否定回答 May I? Yes, you _.Yes, you _.No, you _. No, you _. Must I?Yes, you _.No, you _. Can I?Yes, you_.Yes ,you _.No, you _.No ,you _ .【研学任务四：关于情态动词的小结。】一）、什么是情态动词？情态动词（modal verb)表示说话人的

8、语气-情绪和态度，情态动词后面加动词原形。如 命令、请求、愿望、义务、能力、需要等，它没有人称和数的区分。二）情态动词： 一般现时 （中文） 一般过去时 否定式1. can （ ） _ _2. may , （ ） _ _3. must （ ） _ _（shall, should, will, need）三）特点：1. 后加行为_原形(v.) 构成谓语动词 2. 否定式：情态动词后直接加not. 3. 疑问式：直接将情态动词提前。改错：1. We must finished our homework. 2. He can swims very well.3. She can to cook .4

9、. Can he does it by himself?巩固练习：一用情态动词的正确形式填空。1). -Must I leave at once? - No, you _.2). -May I have a look at your magazine? - Yes, you_.3).-_ I go and play with Susan, Dad? - No, you cant. You must look after your little sister.4). -_ I return the book before Friday?- No, you neednt. You can retu

10、rn it next week.二选择题1. How about going swimming with us, Jane? Oh, no. I _ swim. A. cant B. may not C. mustnt D. couldnt2. Can you help me to take down the old picture, Jack? _.A. Yes, please B. Certainly C. Sorry, I mustnt D. No, I dont3. Susan sings well. She _ also sing many foreign songs. A. can

11、B. may C. must D. will4. May I feed the pandas in the zoo? No, you _. A. cantB. mustnt C. may not D. neednt5. May I take the book away? No, you_. But you _ borrow it.A. may not; must B. mustnt; can C. neednt; may D. mustnt; need6. Must I clean my room this morning? No, you _. A. may not B. mustnt C.

12、 neednt D. cannot7. You _ open the microwave door before the food is ready. A. may not B. may C. mustnt D. must3. Its late. I _ go now. OK. You _ come again tomorrow.A. can; may B. may; must C. must; may D. need, must巩固练习一用本单元所学的情态动词填空。1. I _ speak Chinese very well, but I _ speak French at all.2. Y

13、ou _ talk to your grandparents like that. Its impolite.3. We _ wash our hands before meals. It is good for our health.4. Excuse me, _ you tell me the way to the nearest park?5. You _ go with us to the zoo if you want to.二翻译下列句子。1. 我可以借用你的尺子吗？ 当然可以。但是你必须明天还给我。 _ I borrow your ruler? Of course. But yo

14、u _ return it to me tomorrow.2.今天的作业很容易，我想半小时就能够完成了。Todays homework is very easy. I think I _ _ _ _ _ it in half an hour.三单项选择( )1. Susan sings well. She _ also sing many foreign songs. A. canB. mayC. must . D.will( )2. You _ take a pet on a bus. Its against the law. A. needntB. may not C. mustnt D.

15、 can( )3. -Who _ run 100 metres in ten seconds? He will get a chance to take part in the running competition. A. mayB. mustC. can D. need( )4. Can you help me to take down the old picture, Jack? _. A. Yes, please B. Certainly C. Sorry, I mustnt D. No, I dont( )5. May I feed the pandas in the zoo? No

16、, you _. A. cantB. mustnt C. may not D. neednt( )6. How about going swimming with us, Jane? Oh, no. I _ swim. A. cant B. may not C. mustnt D. couldnt( )7. Must I clean my room this morning? No, you _. A. may not B. mustnt C. neednt D. cannot( )8. _ you speak French, Sally? Yes, just a little. A. MayB. CanC. Must D. Need( )9. Its late. I _ go now. OK. You _ come again tomorrow. A. can; may B. may; must C. must; may D. need, must( )10-Must we finish the homework now? -No, you_. You can do them after clas