八下Unit3单元语法学法指导之情态动词Could 用法导学案2.0
八年级下unit3 导学案
Unit 3 Could you please clean your room?Period 1 Section A (1a-2d)学习目标1.掌握1a-2d的词语。
2.学习提出礼貌的请求和请求允许。
3.学会使用句型Could you please...?和Could I...?重、难点：情态动词could 表示有礼貌的请求许可或提出要求的用法。
自主学习从课本中找出下列内容，勾画出来并翻译。
come over __________ go out for dinner ____________洗盘子_____________ 扫地板______________倒垃圾______________ make the bed____________叠衣服______________ clean up _________________have a good rest__________ give sb. a ride______________stay out______________ no problem________合作探究—Peter, could you please take out the trash? 请你把垃极倒掉好吗？—Sure, Mom.可以，妈妈。
—Could you please do the dishes? 请洗盘子好吗？—Sorry, I can’t. I have to do my homework.抱歉，我不能，我得做作业。
在表示请求的疑问句中，常用could、can、may，以表示礼貌，委婉或不确定的语气，could语气更委婉，不能把could看作can的过去式。
e.g.①Could/Can/May I use your car for a day?②I wonder if I could use your car for a day.③Do you mind if I use your car for a day?对于这种疑问句的回答同样要注意语气委婉。
八年级下英语Unit3导学案
八年级下英语Unit 3 Could you please clean your room?(Period 1) 【学习目标】1.掌握1a-2d的词语,并熟记短语的意思；2.学习提出礼貌的请求和请求允许；3.学会使用句型Could you please...?和Could I...?。
【学习重难点】重点：掌握一些家务活动相关的动词短语。
难点：掌握情态动词could的用法和助动词do的用法【使用说明与方法指导】：1.预习生词,根据音标会读知意。
2.朗读句型,能英汉互译。
【预习案】A翻译下列短语洗碗_____________________ 倒垃圾_____________________铺床_____________________打扫卧室_____________________叠衣服 _____________________扫地 _____________________你还会做哪些家务?试着写下来完整句子。
例：我会做饭。
I could cook meals.______________________________________________________________________________________________________________B英汉互译下列句子（参考2a）请你打扫教室好吗？____________________________________________我要去看电影。
____________________________________________我能出去吃饭吗？____________________________________________ Could I stay out late?____________________________________________I’m going to get a ride with friends. _____________________________________ You have to do homework first. ________________________________________探究1. .make和do的区别make强调动作的结果，其宾语一般是产品或成果；do是指做事，其宾语一般是某个任务或工作。
八年级英语(下)导学案 Unit 3 Could you please clean your room
第1课时Section A 1a-2d (听说课)【学习目标】1.我要拼读并识记这些新单词：rubbish, fold, sweep, floor, mess;2.我要掌握并运用短语sweep the floor, work on, finish doing, take out the rubbish3.我能听懂―请求做家务‖的相关话题及文章并学会有礼貌地提出请求和请求准许【学习重难点】1.我要掌握并运用一些家务活动相关的动词短语。
2.我要掌握情态动词could的用法。
【学法指导】在听说的过程中，学会根据情景推测句子的含义。
【预习导航】Ⅰ.写出下列短语1.洗餐具__________________2.扫地___________________3.倒垃圾_______________4.整理你的床铺____________5.叠你的衣服_____________6.打扫客厅__________7.去看电影________________8.在外呆到很晚___________9.没问题_____________10.搭车___________________11.不得不________________12.做完某事_____________13.从事于_________________14.干净又整洁_____________15.出去吃饭____________ Ⅱ.完成句子：1.My mother told me to_______(打扫) the floor every day.2.Don’t put your sweater on the chair._____(折叠) it and put it on the bed.3.Jack,can you help me c_____ the living room?4.Let’s t_____ out the rubbish and put it in the trash bin.【课堂导学】Ⅰ.交流展示(Before listening)1.预习展示：对预习导航部分的题目进行分组展示答案。
人教版英语八年级下册Unit3语法透视：情态动词could的用法
语法透视：情态动词could的用法【教材典句】1.— Could you please take out the rubbish?请你倒一下垃圾好吗？—Yes, sure.好的，当然可以。
2. Could you please take the dog for a walk?请你带狗出去遛遛行吗？3.—Could I go out for dinner with my friends?我可以和朋友一起出去吃饭吗? —Sure, that should be OK.当然，那应该是可以的。
4.—Could we get something to drink after the movie?——看完电影后我们能喝点东西吗？—No, you can’t. You have a basketball game tomorrow.——不，你们不能。
明天你们有一场篮球赛。
以上句子中，均含有情态动词could，下面我们来学习它的用法。
【语法全解】在本单元中，情态动词could用于有礼貌地提出要求或请求准许，用于疑问句，代替can，在时间上与can没有区别，但语气要比can委婉、有礼貌。
回答时要用can，不能用could。
除此以外，肯定回答还可以用Sure./Certainly./Yes, sure./No problem./With pleasure.等；否定回答还可以用I’m afraid not.等。
— Could you please lend me your dictionary?你把你的词典借给我，好吗？—Yes, sure.好的，当然可以。
— Could I have your driving license?我可以看看你的驾照吗？—Yes, here you are.好的，给你。
— Could you please water the flowers?你给花浇一下水好吗？—No problem. 没问题。
人教初二(下)八年级下册初中英语 Unit3语法情态动词知识点讲解导学案
Unit 3 Could you please clean your room?语法篇一．教学目标学生通过本讲学习，能够掌握本单元的重点语法，并在综合能力上有一定的拓展。
二．知识点总结Could 的用法Could表示有礼貌地提出请求，征求许可，其用法如下：1.Could 表示有礼貌地提出请求。
Could you (please) do...?表示“请你做...好吗？”或“麻烦你做...行吗？”could you (please) do...?的否定结构是在please 后加not。
Could you (please) open the window and close the door?2.Could表示征求许可，希望得到允许。
句型Could I do...?表示“我可以做...吗？”3.回答时应注意几个问题：（1）对这样的句式作答时，与其它的一般疑问句不同，作肯定回答通常用certainly, sure, of course等。
作否定回答时，通常以sorry开头。
三．例题讲解1. ——Could I use the phone, Miss Li?—— ________.A. Yes, you couldB. I’m sorry I can’tC. Yes, sureD. No, please解析：此题为could表示委婉请求，其回答不能用could，应为实在的回答，故选C。
2. —— Could you please do the dishes?——________. I’m going to do my homework.A. Sorry, I can’tB. No, I couldn’tC. Yes, you canD. Never解析：此题为could表示委婉请求，其回答不能用could，而应该用can。
同时根据题意可知回答应该为否定，故选A。
3. Would you please _______ the children ______ with the snake?A. to ask; not to playB. ask; not to playC. ask; not playD. ask; don’t play解析：would you please do/ could you please do的句型中，would you please相当于情态动词，谓语用动词原形；ask sb to do的否定形式为 ask sb not to do，其为动词不定式的否定，故选B。
人教版英语八年级下册Unit3语法透视：情态动词could的用法
人教版英语八年级下册Unit3语法透视：情态动词could的用法语法透视：情态动词could的用法【教材典句】1.— Could you please take out the rubbish?请你倒一下垃圾好吗？—Yes, sure.好的，当然可以。
2. Could you please take the dog for a walk?请你带狗出去遛遛行吗？3.—Could I go out for dinner with my friends?我可以和朋友一起出去吃饭吗? —Sure, that should be OK.当然，那应该是可以的。
4.—Could we get something to drink after the movie?——看完电影后我们能喝点东西吗？—No, you can’t. You have a basketball game tomorrow.——不，你们不能。
明天你们有一场篮球赛。
以上句子中，均含有情态动词could，下面我们来学习它的用法。
【语法全解】在本单元中，情态动词could用于有礼貌地提出要求或请求准许，用于疑问句，代替can，在时间上与can没有区别，但语气要比can 委婉、有礼貌。
回答时要用can，不能用could。
除此以外，肯定回答还可以用Sure./Certainly./Yes, sure./No problem./With pleasure.等；否定回答还可以用I’m afraid not.等。
— Could you please lend me your dictionary?你把你的词典借给我，好吗？—Yes, sure.好的，当然可以。
— Could I have your driving license?我可以看看你的驾照吗？—Yes, here you are.好的，给你。
— Could you please water the flowers?你给花浇一下水好吗？—No problem. 没问题。
八年级下册Unit 3情态动词could的用法及练习
Unit 3情态动词could的用法情态动词could构成的句型用于向对方委婉地请求或征求对方的许可，它本身不能做谓语，必须和不带to的动词原形一起构成谓语。
一、基本用法1、could 用于第一人称，表示希望得到对方的许可。
句型Could I....? 意为“我可以做......吗？”，用于请求对方允许自己做某事，此时could 不是can的过去式。
肯定回答：Yes，you can. / Yes, please. / Yes, sure. / Certainly.否定回答：No，you can’t. / Sorry, you can’t. / No, I’m afraid you can’t. ---Could I smoke here,please? 请问我能在里抽烟吗？---Yes, you can. 是的，你能。
---Could I go to the movies with my tomorrow, Mum? 妈妈我明天可以和朋友去看电影吗？---No，you can’t. You should take your piano lesson. 不，不行。
你要上钢琴课。
2、could 用于第二人称，表示委婉地提出请求。
句型Could you （please）do....？意为“（请）你做....好吗？”，用于提出要求或请求，其否定形式为Could you please not....？肯定回答：Yes，sure/ of course. （是的，当然可以）No problem. 没问题。
With pleasure. 乐意帮忙。
Sure/ Of course/ Certainly, I can. 当然可以。
否定回答：Certainly not. 当然不。
Sorry，I can’t. I have to...对不起，我不能。
我得.......Sorry，I’m going to.... 对不起，我将要....I’m afraid I can’t. I have to....我恐怕我不能。
八年级英语下册 Unit 3 Could you please clean your room导学案(新版)人教新目标版
Unit 3 Could you please clean your room1)倒垃圾_______________2)叠衣服_______________ 3)扫地_______________ 4)整理床铺_______________5)洗碗____________________重难点Could you please take out the rubbish ?肯定回答________________________________________________________否定回答_________________________________________________________.1.—请你把垃圾倒掉好吗？_好的，当然可以。
—____ ____ _____ take out the trash?—Yes,sure.2.—我可以用一下你的电脑吗？—对不起。
我现在要用它工作。
—_____ ____ use your computer?—Sorry.I’m ___ ____ work on it now.导与学过程根据句意、汉语意思和首字母提示完成句子。
1.The children are picking up the r_________(垃圾)in the river.2.Children often help s__________(打扫)the rooms in the old people’s home.3.There are some dirty clothes on the f_________（地板）in his bedroom.4.Tom’s room is really in a m________(不整洁).5.---Mary, could you help f_________(折叠)the clothes?---Yes, sure.课后反思本课所得：本课不足：课后作业句型转换1、He has to clean his room himself.（疑问）____ he ____ ___ clean his room himself?2、You'd better take out the trash.（否定）You'd better ____ ____ out the trash.3、It's a very boring thing.（感叹句） _____ ____ ____ ____ it is!4、She cleans her room twice a week.（提问）____ ____ ____ she ____ her room?5、They took some photos there.(否定） They ____ ____ ___ photos there.6、Paul a nd Tom weren't at school yesterday.(提问)___ ___ at school yesterday?7、A. She was late yesterday because she was ill.B. She was late yesterday ________ ________ her illness(病).8、My mum asked me not to play computer.My mum asked me to ______ ____ computer.9、Can you come to my party on Monday at 19:00?（同义）___ ___ ___ ____ come to my party on Monday at 19:00?10、Let's go fishing on Sunday.(同义)____ ____ fishing on Sunday?第2课时Section A 2a--2d学习目标预习2a,完成下列短语到外面吃完饭_________________ 在外呆很晚______________搭车________________处理工作___________________不得不________________需要______________________一些事情____________________ 至少____________________________重难点1,听录音完成2a和2b。
八年级英语下情态动词could的用法及练习
情态动词could情态动词could的用法很多，本单元我们主要学习情态动词could表示请求和许可的用法。
注意：Could you please ...?的否定式为Could you please not ...?意为“请你不要……，好吗？”。
如：Could you please not sing here?【运用】Ⅰ. 单项选择1. David, _______ you please sweep the floor and take out the trash? (2019 新疆维吾尔自治区、新疆生产建设兵团)A. couldB. mayC. mightD. must2. —Could you please help me wash the car, Tony?—_______. I’m studying for my coming English test now. (2019 四川眉山)A. That’s rightB. I’m sorryC. It doesn’t matterD. Not at all3. —_______ I take the magazines out of the reading room?—I’m sorry you _______.A. Could; can’tB. Must; can’tC. Must; shouldn’tD. Could; shouldn’t4. —Lucy, could you please teach me Chinese?—_______. Let’s start today!A. Of course notB. No problemC. Sounds boringD. That’s right5. —Mom, I don’t have any friends to play with. Could I have a pet dog?—_______. Our apartment is too small.A. It’s a good ideaB. I hope soC. I’m afraid notD. Sorry, I can’t6. —I lost my pencil. Could I borrow yours, Jimmy?—Yes, you _______. I just have two.A. mustB. willC. canD. need7. —Could we go to the concert tomorrow evening?—_______. See you then.A. All rightB. Not reallyC. Have a good timeD. That’s all8. Could you please _______ loudly in the library? The students are reading books.A. talkB. not talkC. to talkD. not to talkⅡ. 根据情景提示，写出句子或将句子补充完整（部分答案不唯一）1. 你想请求Dave这周末帮你学英语，你可以这样问：_________________________ this weekend, Dave?Dave同意你的请求，他会这样说：___________________________________________.Dave不同意你的请求，他会这样说：___________________________________________. I have to go to the dentist.2. 你晚上想和朋友去看电影，请求得到妈妈的允许，你可以这样问：Mom, _______________________________ tonight?妈妈允许你去，她会这样说：___________________________________________. But you have to be back before nine o’clock.妈妈不允许你去，她会这样说：___________________________________________.3. 你想请求Sam不要在你的车里吃东西，你可以这样问：Sam, ______________________________ in my car?Sam 同意你的请求，他会这样说：___________________________________________.答案Ⅰ. 1-5 ABABC 6-8 CABⅡ. 1. Could you (please) help me with / learn English;Yes, sure / Yes, I can / No problem / Of course / ...;Sorry, I can’t / I’m afraid not / ...2. could I go to the movies with my friend;Yes / Sure, you can / Of course / ...;Sorry / No, you can’t / ...3. could you (please) not eat;Sorry, I won’t do that。
八年级下Unit3Could you please clean your room 全单元总6课时优秀导学案
八年级英语学科教学案设计八年级下Unit3Could you please clean your room ?Section A1a--2c第1课时(总第课时）【学习目标】:知识与技能：1.能根据发音规则正确读写本课5个单词及1个短语。
2.能运用情态动词could礼貌的做出请求或许可。
过程与方法：采用三环节教学法，通过Pairwork, Reading，listening等开展学习活动.情感态度价值观：通过学习，学生会有礼貌及热爱劳动并主动帮父母做家务。
【学习重点】：有关家务的动词短语的英语表达。
【学习难点】：能运用情态动词could礼貌的做出请求或许可。
【学习过程】：一、课前预习(教师寄语: No pains, no gains)认知前提：根据汉语意思完成句子1. My mother _________________________(做早饭）at 7 o’clock every day.2. We should __________________________(打扫房间）every day.3. I usually help my parents_______________________________(洗碗筷）.4. Can you _______________________________(洗衣服）by yourself ?新知认知：Task1.背诵课本17--18页单词，根据汉语意思进行默写垃圾___________ 折叠_________ 打扫________（过去式）______地板______________ 杂乱，不整洁________Task 2. 预习课本17--18页(1a--2c)的内容，找出下列短语。
洗碗碟________________ 倒垃圾__________________ 叠衣服_________________扫地______________ 整理床铺______________ 打扫客厅_____________________没问题______________ 外出吃完饭_____________ 去看电影__________________在外面待到很晚______________ 骑车_____________ 做一些工作______________ Task 3. 预习课本18页2d对话，翻译下列句子。
人教版八年级英语下册Unit 3 情态动词can与could用法归纳
情态动词can与could用法归纳一、表示能力(1) 表示现在的能力，用can：I can’t decide which to choose. 我不能决定选哪个好。
While I sympathize, I can’t really do much to help. 尽管我很同情，我却不能真正帮多少忙。
(2) 表示将来的能力，通常不用can或could，而用be able to的将来时态：I’ll be able to speak French in another few months. 再过几个月我就会讲法语了。
One day people will be able to go to the moon on holiday. 总有一天人们可以到月球上去度假。
但是，若表示现在决定将来是否有能力做某事，则可用can：Can you come to the party tomorrow? 你明天能来参加我们的聚会吗？(3) 表示过去的能力，有时可用could，有时不能用could，具体应注意以下几点：①若表示过去一般的能力(即想做某事就随时可做某事的能力)，可用could：Could you speak English then? 那时候你会说英语吗?②若表示过去的特定能力(即在过去特定场合做某事的能力)，则不能用could，而用was (were) able to do sth.，或用managed to do sth.，或用succeeded in doing sth. 等。
He studied hard and was able to pass the exam. 他学习很努力，所以考试能及格。
At last he succeeded in solving the problem. 他终于把那个问题解决了。
【注】could 不用来表示过去特定能力通常只限于肯定句，否定句或疑问句中，它则可以表示过去特定的能力：I managed to find the street, but I couldn’t find her house. 我想法找到了那条街，但没找到她的房子。
[汇总]八下《Unit3Couldyoupleasecleanyourroom》导学案
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[汇总]八下《Unit3 Could you please clean yourroom》导学案Unit 3 .Could you please clean your room ,导学案否定式: Sorry, I can’t.\(老师寄语:Never put off till tomorrow what you can do today .今日事今日毕)Step3、Before listening 1. 交流、检测课前准备的情况，写出你的问题。
单元目标:1.学会使用教材词汇表中的黑体单词。
(重点) 2. 学生看课本1a，小组核对答案。
Step4、While listening 2. Sentences: Peter, could you please takeout the trash?3. Grammar: 情态动词could 表示有礼貌的请求许可或提出要求的用法(难点)。
Activity 1听录音完成1b，小组核对答案 What kinds of chores do Peter and his mother do?教学难点:情态动词could 表示有礼貌的请求许可或提出要求的用法。
2. 读2a中的句子，听录音，完成2a. 情感目标:主动地帮助家人做杂务;学会照顾自己;培养自己的独立意识。
3. Listen 2b again. Activity 2.listening (2a 2b)4. 听录音并跟读，注意模仿语音语调。
第1-2课时 (Section A 1a-2d)【内容标准】 Make polite requests; Ask for permission 观察与思考:对话中以Could 引导的疑问句，表示__________________________。
如果接受对【教学目标】1.掌握并灵活运用本课的重点词汇rubbish fold sweep floor mess 方的邀请我们可以回答________________.如果拒绝对方的邀请，一般不直接说_________________,而应该说___________________以示礼貌. 2.重点短语sweep the floor, work on, finish doing, take out the rubbish Step5、After listening3.听懂“请求做家务活动”的相关话题及文章;学会有礼貌地提出请求和请求准许1. 表演对话。
八年级下册Unit3 Could you please clean your room-复习导学案
八年级下册Unit3 Could you please clean your room?复习导学案
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八年级下册Unit3couldyoupleasecleanyourroom?复习导学案
Unit3couldyoupleasecleanyourroom?复习导学案
学习目标：1.掌握本单元的词语
2.学习提出礼貌的请求和请求允许；
3.学会使用句型couldyouplease...?和couldI...?；
学习重点、难点：掌握一些家务活动相关的动词短语。
掌握情态动词could的用法和助动词do的用法。
【一】自主学习明确目标
1试读单词，解决语音问题，联系有
关旧单词
2查阅下面的短语动词
1)出去吃饭__________2)在外面待到很晚_______________
3)去看电影_______________4)搭车_______________
5)完成做某事_______________6)干净整洁_______________
7)洗餐具_______________8)倒垃圾_______________
9)叠衣服_______________10)扫地_______________
3．观察以上词组的构成方式：
【语言点】
各位读友大家好，此文档由网络收集而来，欢迎您下载，谢谢。
unit 3 Could you please ..导学案
(3). Could I at least finish watching this show?至少等我看完这个节目可以吗？
(4). Mom will be back from shoppingany minutenow.妈妈随时都会买完东西回来。
________________________________________________________
家庭作业
完成配套练习册第二课时
教学反思
课题
Unit 3 Could you please clean your room?
学习内容
(Section A 4a---4c)第三课时
学习
目标:
知识目标：1、掌握本节课6个新单词和1个短语。
as… as…像…一样，如同
neither…nor…连词既不…也不…
Neither he nor his wife eats meat.他和他妻子都不吃肉。
课堂小结
你知道in surprise的用法吗？小组合作归纳surprise的用法。
________________________________________________________
eg: Could you please sweep the floor? Yes, sure.
Could you please water the flowers? No problem.
2.牢记下面短语，扫清听力障碍。
do the dishes洗餐具sweep the floor扫地
take out the rubbish倒垃圾make your bed整理床铺
人教版新目标八年级下册Unit3 Could you please clean your room学案
第3讲Unit3 Could you please clean your room?【语法必考】考点一：情态动词could的用法1.表示过去的能力Could 是情态动词_________ 的过去式，could 表示过去的能力，肯定或否定回答仍用could.2.Could 表示“请求”时，常用于表示：（1）请求帮助：请你....好吗？__________________________肯定回答：________________/________________/____________/_________________/________________否定回答：____________________/_________________/_________________(2)请求允许：请问我能....吗？______________________________肯定回答：__________________________/_________________________否定回答：__________________________/____________________________(3) could 表示对某事的推测，意为可能。
●例题讲解1、---Could you please sweep the floor?---______________. I am busy babysitting my sister.A.Sorry, you can’tB. Yes, sureC. Yes, I canD. Sorry, I can’t●举一反三1、---My recorder is broken. Could I use yours?---_________, but you have to return it tomorrow.A.I’m not sureB. No problemC. I’m sorryD. I hope so2、---Could you pass me the book?---__________.A.Yes, I couldB. No, I couldn’tC. Su re. Here you areD. No, that’s no problem3、The talented boy _________write lyrics when he was at the age of ten.A.mayB.couldC.mustD.should考点二：spend, pay, take, cost1._________v.”花费”；可以表示“花时间”，也可以表示“花钱”，主语是人。
八年级英语下册Unit3 Could you please clean your room Period 1导学案(新版)人教新目标版
八年级英语下册Unit3 Could you please clean your room Period 1导学案(新版)人教新目标版you please clean your room【学习目标】1、熟悉本节课出现的生词短语。
2、学会could的基本用法,会用它来表达请求及其应答语。
3、在人际交往中养成使用礼貌用语的习惯。
【重难点】1、掌握一些家务活动相关的动词短语2、掌握情态动词could的用法和助动词do的用法【自学指导】1 自主预习本节课的单词。
2 完成1a，并翻译其中的词。
3 熟知本节课各部分的任务。
4 同伴合作预习2d。
5 从课本中找出下列内容，勾画出来并翻译。
Come over__________ cleanup____________洗盘子______________ 扫地板______________倒垃圾______________ make the bed____________叠衣服______________ go out for dinner_________________Have a good rest___________ give sb、 a ride______________Stay out___________ no problem________________6 翻译下边的句子Could you please take out the rubbish?________________________用_____可以委婉的提出请求。
肯定回答_________________,否定回答__________________你还能想出用其他的方式来提出请求吗？试将上面的句子变成同意句，你有几种变化方式？_________________________________________________________ _________________________________________________________ ___________________7,请将你编写的1c 和2c的对话写在下面1c2c【学习探究】一成果展示：11a部分（你会用英语来表达家务活吗？）请添加更多的类似短语，比一比谁加的更多。
人教版英语八年级下册 Unit 3 Could you please clean your学案
Unit 3 第三课时Could you please clean your room?
班级：____________ 姓名：______________
学习目标：
1.学生通过自学导学提纲，能归纳出用情态动词could礼貌地提出要求和委婉地获取许可的规律，以及这两种情况下的合理应答。
2.学生通过两两对话或小组对话，能应用could句型表达自己的请求和对他人的要求。
重点：能归纳出用情态动词could礼貌地提出要求和委婉地获取许可的规律，以及这两种情况下的合理应答。
难点：能应用could句型在真实地情境中表达自己的请求和对他人的要求。
教学过程：
环节四：课堂小结（1）收获的知识：（2）易错点：。
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八下U3单元语法学法指导之情态动词could表“可以”课前复习一、情态动词的含义：情态动词是一种本身有一定词义,表示说话人的情绪、态度或语气的助动词。
二、情态动词的特点：1）情态动词后接_______________;2）疑问句中需要把情态动词_______,放在主语前面。
3）情态动词没有________________的变化。
课中导学三、Can 和could的区别：1）表能力：现在时态________________; 过去时态________________;2）表请求：a:礼貌提出要求: ______________________________________________肯定回答：_____________________ 或___________________________________________ 或______________________否定回答：_____________________ 或___________________________________________ 或______________________ b: 礼貌地征询允许：_______________________________________________肯定回答：_____________________ 或___________________________________________ 或______________________.否定回答：_____________________ 或___________________________________________ 或______________________.....等等。
答案：一、情态动词的含义：情态动词是一种本身有一定词义,表示说话人的情绪、态度或语气的助动词。
二、情态动词的特点：1）情态动词后接动词原形; 2）疑问句中需要把情态动词提前,放在主语前面。
3）情态动词没有人称和数的变化。
三、Can 和could的区别：1）表能力：现在时态can; 过去时态could;2）表请求：a:礼貌提出要求: Could you please (not) do...?肯定回答：Yes, sure 或Certainly. 或No problem. 或With pleasure.否定回答：Sorry, I can’t 或No, I can’t. 或I’d love to, but +理由...b: 礼貌地征询允许：Could I (not) do...?肯定回答：Yes, you can. 或Sure, you can. 或No problem. 或I think it should be OK.否定回答：Sorry, you can’t 或No, you can’t. 或I am afraid not. ...课后巩固一、单项填空（10分）( ) 1. ---_______ you tell me what’s happening over there?--- A man fell down on the side of the road.A.CouldB. MustC. MightD. Shall( ) 2. ---______ I have a word with the manager, sir? ---Sure. Wait a minute.A. WillB. WouldC. CouldD. Should( ) 3. ---Could I borrow your dictionary? ---Yes, of course you _________.A. mightB. willC. canD. should( ) 4.---Could you tell me how to use Dingding to have lessons online?---________________.A. Take it easyB. Sure, I’d love toC. It doesn’t matterD. You are welcome( ) 5.---Could I put my bike here?--- _____________. There is a sign “No Parking”.A. No, you needn’tB. No, you couldn’tC. No, you can’tD. No, you won’t( ) 6. ---Could you please __________ the rubbish on the street?---Sorry, I won’t do that again.A. throwB. not throwC. takeD. not take( ) 7. ---Could you please help me take out the rubbish? ---_______________.A. Oh, please don’tB. Yes, you canC. Sure, I willD. Sorry, I couldn’t( ) 8. ---Could you ______ some money to me? I can give it back to you tomorrow.--- Sorry, I don’t have any money with me. You can _____ some from Dave.A. borrow, borrowB. borrow, lendC. lend, lendD. lend, borrow( ) 9. ---Dave, could you please wash the dishes tonight?---_______ I have to finish my science project.A. Yes, sure.B. Sorry, you can’t.C. Why not?D. Sorry, I can’t.( ) 10. ---Could I go out with my friend this weekend?---Sorry,________.We’re going to visit your aunt.A. I can'tB.I couldn'tC. you can'tD.you couldn't二、用所给词适当形式填空（5分）11. Jeff wanted to know if he ______________(can) borrow your bike. His was broken.12. ---Could you please ___________(pass) me the salt? ---Yes, sure. Here you are.13. ---Could you please _____________(not tell) him the bad news. I don’t want him to be sad. ---OK, I won’t.14. He told me he ____________(can) play the piano when he was three.15. --Could I ___________(finish) the task tomorrow? ---Yes, you can.三、语法选择（10分）Dear Linlin,We know you feel unhappy right now. So we decided to write this letter to tell you why we “have changed”.You are a lovely and polite girl. You are used to 16 polite words when you talk or ask for help. Being polite is good, but asking too much is really annoying(令人厌烦的）.Take this morning for example, you asked Y uanyuan 17 out the rubbish again. You asked, “Could you please take out the rubbish?” That sounded polite, but it was your turn to do that today.You love being quiet when you are sleeping, and you get up late in the morning. You always ask, “Could you please 18 any noise?” But it is time to get up and we all need to prepare for the class. You like talking 19 the phone, and always stay up late at night. When we asked you, “Could you please not sing or make any noise?”, you just kept 20 or talking. It seemed like you couldn't hear us at all.The thing that made Yuanyuan really angry is that you looked through her drawer 21 asking. When she told you not to do that, you said you just wanted to borrow her notebook. 22 you asked politely, “Could I borrow your notebook please?”, she was still very angry, because you should have asked her first.You are always asking “Could you please get this for me?” or “Could you please help me with that?” You always seem busy 23 or doing your own things, while others seem to have plenty of time to waste. You didn’t realize how 24 trouble you have brought to us.If you can develop your independence and learn how to look after 25 , you will be more welcome. We are sure we will get on well with you as before.Love you always,Your roommates( )16. A. use B. uses C. using D. used( )17. A. take B. to take C. taking D. taken( )18. A. make B. not make C. don’t make D. not to make( )19. A. in B. on C. at D. by( )20. A. sing B. sang C. singing D. to sing( )21. A. no B. not C. without D. don’t( )22. A. Because B. Although C. Until D. Unless( )23. A. study B. studies C. to study D. studying( )24. A. much B. many C. long D. far( )25. A. myself B. herself C. yourself D. ourselves答案：1-5 ACCBC 6-10 BCDDC11. could 12. pass 13. not tell 14. could 15. finish16-20 CBBBC 21-25 CBDAC。