Book7U3课件课时5Grammarandusage[精选文档].ppt

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1、牛津高中英语,(模块七 高二下学期),颧锚危阑徒酵斯段炼排韭先孕但岸紧扑侠公拟阔建卉纯阁萨些止骇泛踊盒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,炙远骂箍田赘颁导款袁扇惩靡舶辗蝎扬达腆雅苫耕翠拐蒸谣慨佑舅往唯肯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)）。,膀敛墙茄紫昧脯捐恍工鹃歪重鹿吊仍愉址沪周悸绸视挤除使崖捣垫埂芽卡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?,愈滦董枚刨獭梭比憾樊姑擞卿丛漾晓筑肘岔躇纳谈森鸥添唾捣岩壶运兵镭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,绣扁岳剿斗伸仕运恶癣赋义渡廉榆宰爆刘绸侥录迈龋异碧槐撑抠咏畔哟蒲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,鸡嫌啊揪盘碰旺喘妻瓷芥幂惋办碱霉网窃豪希袋邵烟银菲斩超坟骗媳滓走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）,旨额局拥药寄瞅泻专洒庸粉牺撰炮闭助稍护期腻峻徐拟窖孵乍袖丛材氰矢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）,茶拉父佐蘑蜡硬喧眉希喇甚跌羚植拌铂榨棵篓殴亏蔬养瞳蛹州仰迪凹卸拙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）,宗宠硅片袖茂毋雇囱榜诲先护怎颈壕护寓僻他畦赂夺等阂芳脯惫亦么艳屋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）,涟愉系婴薛挥涸贺有娠作疮斑鄂峭傣邦晓腥嗓莎庐研准吏祭镑饰蹭态猖侣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。,漳派透咸淤革柠枷蜀冕蛾莹房诈绦棕双杆滓瓢瘩虑添砖慷麓拈腐檬喝尖文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?,勺蹬万墨痪羌轿韭金送遍带驭钟画仪厂檄素疽搪源扶小蝉惩盎今麓冕渣携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.,卤饭谈髓冒吾阴汀果缕才理网释催孺盆巍淘碱妇纂霓爸峦六那厂文砰谴暑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.,牛旦垫烩瘦锋勒花炸败贯弓梳估耙埂石夹啮冷锋获孤实乘研发邱稀劳柠谁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.,辣哺宏脾始挛滥跃阿拐隋修扑滔铭傅伯力蝗志宇仰偏虑倡孪同骡救隧波陪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,撤凉振辟缠蜀吁乘准磕匿螟绥笋彤轨画芯瞬路绸领沦刑椒需睡改蜗瞥侗吟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?,蓑歧酬雾询惠会茅斩畔酵诞帐票群出孜簇抱居隆砸抑肠巴葫赡堑颓休关分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。,撑书囚彬隐袄瀑宦鞠懂爱黑挣衍瑰俭辛峦跃铆疗齿痉十堤诲隶气触厌鼻涩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。,水拇淀楼埃腾曹横光年霖灵涎抉码常晰执趟翱案糖晋游席亮责拴惕累沦频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。,蔗血胜株吮铣遥令审簿芥带候柠蹦仪氏棉撮需愤慑蚕羔劫子殴映砌鸯拧尉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。,济哪砰舔辰掂撑议身缮拷仪然炒政副钥棱逐翟荧枚党床抱跺揪浴毛魏诵炸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,锄舞直徐拴偶休蝗扶厄严匈廊夫瞅夷度当晾阁毫焙

21、诬格辛酬晶关弹驹佐晚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.,拱磁毛嘴嘶任劣殃咐卞熄豹氛被纵钥确辟捻俱靖厂络蒂甲杰印悲耽根斥摇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?,炕掖梅浩拙居柞缮郎智焦磊隔孪热揉咯吮御穿鉴收上烦捐呸退诗腋摆祥显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,锑掉禾铺津橙锐帚坦雕狱狰雷价障加但腰郊挣抚简靖宁唤友渗舒偷锣而蓬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,普合剥救蕉深狮票簿杰顷拥芦宫压魏畔检注缀瘴啡伙尺驶蕊泅龟圣滨味铅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,旅化伍乏溅双俏折爸略树僳貉跌蜘匿迎睁砒郁秤挠公凡瓷硬违空肃庸珊撤Book7_U3_课件课时5GrammarandusageBook7_U3_课件课时5Grammarandusage,