c鲁教版五四制 六年级下Unit 3 cancould用法辅导学案（无答案）

1、 时间 分钟 时间 分钟 提问八上第一单元单词 课题 情态动词could和can的用法 时间 分钟目的1 掌握情态动词can,could的用法 目的2 会使用can,could表建议和推测 时间 分钟一、情态动词can的根本用法情态动词can有一定的词义,但不能独立存在,它必须与动词原形一起构成谓语。情态动词can没有人称和数的变化。其详细用法如下:1.表示能、会,指脑力或体力方面的才能。例如:I can speak English.我会讲英语。Jim can swim but I cant.吉姆会游泳,但我不会。2.表示可能,常用于否认句或疑问句中,指某种可能性。例如:Han Mei can

2、t be in the classroom.韩梅不可能在教室里。Can he come here today, please?请问他今天能到这里来吗？3.表示可以,常用于口语中,指答应或恳求做某事。例如:Can I have a cup of tea, please?请问我可以喝一杯茶吗？You can go out.你可以出去了？二、情态动词的本卷须知1. can的口诀：情态动词can、can、can，动词原形跟后面。 变疑问can提早，变否认not后面加上去。 主语人称单复数，情态动词不能变。2. 情态动词can可以引导肯定句和疑问句。1、肯定句：主语 + can + 动词原形 + 其他成

3、分2、疑问句：can + 主语 + 动词原形 + 其他成分3.can 引导的肯定句变为疑问句的方法：一调二改三问号1、can 提早，首字母大写。一调2、肯定句中主语在变成疑问句时的变化。二改 如：肯定句：You can feed the animals.你可以喂动物。 疑问句：Can I feed the animals?我能喂动物吗？ 3、在句尾后面加问号。三问号4. Can的一般疑问句答复：1、肯定答复：Yes，主语必须人称代词 + can.2、否认答复：No，主语必须人称代词 + can not cant/mustnt. Yes 或 no 后要使用逗号，除了I 以外，其别人称都要小写。5

4、、表推测是肯定推测用must be，否认推测为cant becouldv.aux.助动词can的过去式1. 用来表示过去的才能、可能性或允许：I could run faster then.It could be no better at that time.Only men could go to the club in those days.2. 用来表推测或条件：I could be wrong.If we could help, we would.3. 用于表示试探性或礼貌：Could you come over here? 答复是注意不能再用could答复，应为yes，I can/s

5、ure 或sorry, I cant 时间 总分值 得分 二次评价 1_ I take some photos in the hall? No, you _.A. Can, neednt B. Must, mustnt C. Could, wont D. May, mustnt2Who is the man over there? Is it Mr. Li? No, it _ be him. Mr. Li is much taller.A. mustnt B. may no C. cant D. neednt3Dad, must I finish my homework today? No,

6、you _. You may do it tomorrow.A. neednt B. mustnt C. dont D. wont4Must I go with them tomorrow？ No，you _. A. mustnt B. shouldnt C. neednt D. cant5. Can I watch TV for a while？ No, you _. You have to finish your homework first. A. shouldnt B. cant C. mustnt D. wont 学习态度： 做题标准： 知识掌握： can, could 1 表示才能

7、体力、知识、技能。 Can you lift this heavy box?体力 Mary can speak three languages.知识 Can you skate?技能 此时可用be able to代替。Can只有一般如今时和一般过去式；而be able to那么有更多的时态。 Ill not be able to come this afternoon. 当表示“经过努力才得以做成功某事时应用be able to，不能用Can。如： He was able to go to the party yesterday evening in spite of the heavy ra

8、in. 2 表示恳求和允许。 -Can I go now? - Yes, you can. / No, you cant. 此时可与may互换。在疑问句中还可用could, might代替，不是过去式，只是语气更委婉，不能用于肯定句和答语中。 - Could I come to see you tomorrow? - Yes, you can. No, Im afraid not. 3 表示客观可能性客观原因形成的才能。 Theyve changed the timetable, so we can go by bus instead. This hall can hold 500 peopl

9、e at least. 4 表示推测惊讶、疑心、不相信的态度，用于疑问句、否认句和感慨句中。 Can this be true? This cant be done by him. How can this be true? 时间 总分值100 得分 二次评价 一、用can, , must, need的适当形式填空：1. You _ return the library book on time.2. I _ not find the way to the hospital. _you show me the way?3. _ I finish the work right now? No,

10、you _ not. You _ do it later.4. Its time for class. You _ stop playing football 。5. We _ start right now, or they would get there first.二、选择正确的单词填空 who, where, when1._ is that pretty girl? She is my sister.2._ are Jack and Tom? They are behind you.3._ do you go to school? I go to school from Monday

11、to Friday.4._ has a beautiful flower? John has a beautiful flower.5._ are they? They are my parents.存在问题： 时间 总分值 得分 二次评价 1. Could I use the phone, Miss Li? _. A. Yes, you could B. Im sorry I cant C. Yes, sure D. No, please2. Could you please do the dishes? _. Im going to do my homework.A. Sorry, I c

12、ant B. No, I couldntC. Yes, you canD. Never3. Would you please _ the children _ with the snake?A. to ask; not to playB. ask; not to playC. ask; not playD. ask; dont play4. Could I look at your picture? Yes, of course you _.A. could B. can C. will D. must5. Could you please pass me the salt? _A. Sure. Here you are. B. Good idea. C. Thank you. D. Im sorry to hear that.用所给单词的适当形式填空 1. - can you please buy some snacks for me,mom?- No, I cant. Im busy cooking. 2. - Could you please lend me your dictionar