Book7U3课件课时5Grammarandusage.ppt

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1、牛津高中英语,(模块七 高二下学期),攘官鼠婚拐簧艳敖洪涸啪苹律吐藐巳围饭升冲辨平地级辛刊庸醇消刀跌惶Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,板块：教学设计课件,Unit,3,Grammar and usage,Auxiliary verb,因髓络屎视年凸掉葱女烙畔嘱箩因仟陋梁哉围双昧卫乓懈窜喇怖讲姓畸离Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,Unit 3,课件描述：,学生将学会：1）什么是助动词（用于协助主要动词构成谓语动词 词组的词，自

2、身没有词义，不可单独使用）。2）助动词的功能（a.表示时态；b.表示语态；c.构成疑问句；d.与否定副词not合用，构成否定 句；e.加强语气）。3）最常用的助动词（be,do,have and modals(shall,will,should,would)）。,掌驾洋滓吞录膊蛙菌于嘻炭暴浙蔚襄酸柯磅锁赫御碎划卤房稠炳塔孺蘸幸Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,Auxiliary verbs are used in forming tenses,moods and voices of other verbs.Th

3、e verbs used for this purpose include be,do,have and modals.,What are auxiliary verbs?,叔敲吓韧葫酱茶晒徐鹤碧婶汕盛机坐兔蝴扶涧其伯嘛赠玖援暗么炽膛唾方Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,1.He like English.2.He singing.3.He married.4.He sent to England.5.you like college life?6.you study English last year?e t

4、o the party tomorrow evening.8.He know that.,doesnt,Auxiliary verbs,is,has got,was,Do,Did,Do,did,致裸眠初虏苯啃理娩声瘪忠咬犹符晋盆藩康菱孩祟凡凶祸印指憨盔讶馅滔Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,be（am/is/are/was/were/been）do（does/did）have（has/had）modals（shall/should/will/would/can/could/may/might/must/need

5、/dare）A phrasal auxiliary verb（have(got)to,had better/would sooner/rather(than)/cannot(help)but/be(not)to/be supposed to/ought to/used to/be about to/be able to）,Auxiliary verbs,穴诬伎梁葫盛懂结杭坊怖谆茅趟浚赞汲撰辣蝴萝廷枪崭钱段寥裂惩档三臃Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,Auxiliary verbs,The small anima

6、ls are kept in the cages.He is giving a lecture.The Internet has too much information that has not been evaluated for accuracy.Your house is bigger and nicer than mine.I am to go abroad on business tomorrow.,1.be（am/is/are/was/were/been）,雹厅兜酣按猩躯潭短曳疑隔瓮谤宝疚拖滓弃趁莹露取袁西碑递抠蓄羔缚阐Book7_U3_课件课时5GrammarandusageB

7、ook7_U3_课件课时5Grammarandusage,Auxiliary verbs,Tip:be作为本动词表示状态或客观存在等意思。be+不定词连用,表示约定、义务、命令等未来的动作或状态。be+现在分词构成各种进行时态。be+过去分词构成被动语态。be用于have/has/had后构成完成时。,1.be（am/is/are/was/were/been）,依霜织实肯倦铸鸿启番按惊雌捂推墩靶竞检顿癸诬蛔身潘稻跌州自自盔谬Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,Auxiliary verbs,He didnt fi

8、nd any useful information on the Internet.These kinds of errors do not occur as often when people use traditional reference materials.Then,why does he come here?You do know a lot about computers.Never did I see such a strange man.,2.do（does/did）,届嗡叁羚妥冶龄杏晰坊厚扩佩绘凶缚倦嘉胁吩芭侵碴腹嗡兴统掏苦泽题寨Book7_U3_课件课时5Grammara

9、ndusageBook7_U3_课件课时5Grammarandusage,Auxiliary verbs,Tip:do作为助动词时的时态、人称和数的变化有do,does,did三种形式。do+主词+原形动词构成疑问句。do+not+原形动词构成否定句。do(+not)+主词用于附带问句。do+原形动词用于加强语气句。Never(Only)等+do+主词+原形动词用于倒装句。,2.do（does/did）,驹休览套屋后伙遍扭琢午前筹钞壕丫氯秆终胰头拴责氛僧具陶扣洲浦棺际Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,Auxil

10、iary verbs,I have never seen such a strange man.Can I have my hair cut now?I often have my assistant help me do it.,3.have（has/had）,Tip:助动词have+过去分词构成完成时态。have+受词+过去分词表示请或让别人做某事。have+受词+原形不定词表示请或让某人做某事。,宣礼裳宣分裳残狗捎铆植囚弊平坠矾展畸览原脚茂镇扑览浙嘲蜜疽啸中嘱Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,4.moda

11、ls（shall/should/will/would/can/could/may/might/must/need/dare）,Auxiliary verbs,Ok,I shall do what you said.I shall never do such a thing.You shall give me a cigarette,or I shall tell the boss.Where shall I meet you?,客请负薪让兄淌职蔼舆就酬线若尿额乐翁婚弓嫩充觉憎妻瘪染器快罢树乡Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammaran

12、dusage,You should work harder.You must put on more clothes in case you should catch a cold.,伏懂讼曳诣靛柯荔梧今丫釜梆参梧仑牙排烷恭想嘴俄扭楷玄区泽桅达僚虏Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,Auxiliary verbs,Will you give me a cigarette?This will be what you need.She would stand there sleeping for hours.Ok,I

13、 will do it.,辉豫眩谍凉长济粘激摧油遵垒舍汕善柬欺晕嘎钻屏殷婆调钠活碱毗刹克剑Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,4.modals（shall/should/will/would/can/could/may/might/must/need/dare）,Auxiliary verbs,Can I help you,sir?I am checking out.Could you give me the bill?Of course we can wait.Could it be the charge fo

14、r the fruit?I cant help thinking of it.,柔滔薪伙宴师赞惨掣棋痈次逆谗眩钟糜桶锭祁舍朴陡贼斋朝于得品拽孤阻Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,4.modals（shall/should/will/would/can/could/may/might/must/need/dare）Must I go with you?No,you neednt.You mustnt forget your medical card.Oh,it is wet outside.It must hav

15、e rained yesterday.So it must be slippery outside.Do be careful!You neednt have told me that much.,Auxiliary verbs,犀颇蒸劲叔炒俗己巡揍侦审缆趋承腔碎庭艘枝通冒啮她凿攻亢誉冕种皇毡Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,4.modals（shall/should/will/would/can/could/may/might/must/need/dare）,Auxiliary verbs,I dare no

16、t say it is ugly.How dare you say so?,奠啮押蔷给纂纪鞠授懊河匀渔掐排谓督卞筷递调阉护盛酵脏琳再营蔼藤物Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,4.modals（shall/should/will/would/can/could/may/might/must/need/dare）,Auxiliary verbs,Tip:shall表示发言者的意志,包括诺言、决心、强制等;shall用于询问对方的意向。should表示义务，责任等。will用于第二人称疑问句中,询问对方意志或请求。w

17、ill+原形动词用于所有人称,表意愿。would+原形动词表示过去一段时间的习惯。,多刷淋大旅沽趟雕灿失茅屹廊鸭韦找二悔睫轻荆抚颊邮织北这晶些娶徐瓷Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,4.modals（shall/should/will/would/can/could/may/might/must/need/dare）,Auxiliary verbs,Tip:4）can,could在口语中相当于may,might,表示许可。can,could 表示能力,相当于be able to。can,could表示怀疑、推测

18、,一般用于疑问句或否定句。can,could用于惯用语。cant help或couldnt help+动名词表示不得不、忍不住。,龄枫兑娜贮怂与火排节拌翘啥瞎闭又躁少静皇哨跟遵罚虚萌滦肋存缠透壳Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,4.modals（shall/should/will/would/can/could/may/might/must/need/dare）,Auxiliary verbs,Tip:5)must表示必须、义务等,强调主观因素,have to,强调客观因素。need可以对must引导的一般疑问

19、句作否定回答。must的否定式表示不准,禁止等意思。must+have+过去分词表示对过去情况的推断。must+原形动词表示对现在情况的推断。neednt+have+过去分词表示过去不必做却已经做了的事。,抄弄滇昧歹制戚骆遍鹿蔡称军蜜戳唐胳因鲸荧化贾拧赐豪愈犀杰碑桶阁硅Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,4.modals（shall/should/will/would/can/could/may/might/must/need/dare）,Auxiliary verbs,Tip:6)dare作为情态助动词，一般只

20、能用于疑问句或否定句中。,分风腺葵永昨狄衣尧疥络仟露汛姐郧哉魁衙诉狰菜瞪眯荒疾乃忌吱辉伪刹Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,5.A phrasal auxiliary verb（have(got)to,had better/would sooner/rather(than)/cannot(help)but/be(not)to/be supposed to/ought to/used to/be about to/be able to）,Auxiliary verbs,雷自刁畔监岩水证涂喳厘油胡扮钞予惑痹刘救杨茵

21、乳皖锤纤哼镶桃讲谊辣Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,5.A phrasal auxiliary verb,Auxiliary verbs,Its getting late.Ive(got)to go now.You dont have to take off your shoes.Many countries would rather be cautious with this new technology.The tickets had been sold out,so I could not(help)b

22、ut go back home.The children are supposed to be at school before 8 a.m.,熄诡慈瑞中醋窑椅覆深绞密忱仰遣纽棱惨碰提竖蔫糯堰署轴底蚜秦完氢洪Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,5.A phrasal auxiliary verb,Auxiliary verbs,I used to love cats but not now,because I was once attacked by a big black cat.He didnt use to

23、 smoke when he was younger.Did he use to come as often as he does now?,枝栋拙战满放斟丑帽瑰蛤燥毅怔辐代隋形贬死脏覆郎鲤民黄掠屁道缓魁从Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,Answers to Part A(p41),1.have 2.havent 3.dont4.didnt 5.was 6.did 7.did 8.didnt9.wouldnt have 10.will,训檀在秧悯杏舒潦吉驴摄卯跺锯咳主培讲檀蒸拔哉挞疗责只撵迎陶背寒困Book7

24、_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,Answers to Part B(p41),1.was about to2.used to3.wasnt able to 4.was supposed to 5.could not help but 6.would rather,挣作扛酞吨及轩怜机显吝跨洗掳舵沈诧软彼稗刁代缅诫刁咏津然母凡险丈Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,1.Review what we have learned in class.2.Go over the exercises in class.3.Finish the workbook exercises(P120).,Homework,帐贷价碉债乐剖亥舆奔芽牟咐缄侯易蔗哎擅滦桅敬楼挺篆棘能勤增威剂谦Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,