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单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,Module 4 Unit 2,Sports e,vents,Grammar,牛津高中英语（模块四,高一下学期）,Module 4 Unit 2 Sports events,Grammar,modal verbs,情态动词,opinions and attitudes,Grammarmodal verbs opinions an,A better,knowledge,of modal verbs,A better,understanding,of the speaker,Lead-in,A better knowledge of modal ve,1),本身,有,词义,2),只能,和动词原型一起构成谓语,动词,3),情态动词没有人称和数的变化,Features,1)本身有词义Features,1.,只做情态动词：,must,can/could,may/might,ought to,2,.,既,可作情态动词又为助动词：,shall,/should,will/would,3,.,既,可作情态动词又为实义动词：,need,dare,4.,具有情态动词特征：,be,able,to,have to,（有,时态,、,人称,、,数,的变化）,Four categories,1.只做情态动词：Four categories,1.,Ability,（能力）,2.Obligation,（职责）,3.Certainty,（推测）,4.Permission,（许可,）,Different functions,5.Make requests,（提出请求,）,6.Make suggestions,（,提出建议,）,7.Make offers,（提供帮助）,8.Give advice,（提出意见）,1.Ability（能力）Different func,1,.,Ability,Liu Xiang,can,run the 110m hurdle,race,within 13 seconds.,1.Ability Liu Xiang can r,Some functions of can,A,:,Can,this kangaroo be still,alive?,B:,No,it,cant,be.,A,fire like this,can,be very destructive.,A,:,Could,I have a,try?,B,:,of,course,you,can,.,B:You made,it!,How,can,this be true!,You,must be an angel!You,can,save a lot of lives!,推测（否定,疑问,;,could,语气更委婉）,往往,可能 有时可能（肯定）,允许,（,could,语气更,委婉）,怎么能,(,否定,疑问,感叹,;,惊讶 怀疑,）,能力,Some functions of can 推测,The factory,could,produce,100,000,masks a day.,一般能力,can,The,factory,was able to,produce,100,000,masks a day in the crisis.,过去时，具体能力（需,某种条件或努力做成某,事）,is,able to/,have,been able to/will be able,to,can;be able to,The factory could produce 10,2,.,Obligation,I,m,so tired!I have to do the training for at least 10 hours a day!,Although Liu Xiang is so gifted in hurdle race,yet he,must,work hard to win the gold medal.,2.Obligation Im so tired,advisability,necessity,ought to/should,have to,must,We,should,wear,a mask when we go out.,The virus spreads quickly and widely,;we,_,wear a mask when we go out.,I,dont,want,to,be infected with the,virus;I _ wear,a mask.,不得不（语气强）,;,客观,;,有,时态变化,必须（语气强）,;,主观,应该,(,语气温和）,have,to,must,Obligation,:ought to/should,have to,must,advisabilitynecessityough,Some functions of must,A:He,must,be in,for the light is on.,I,must,see him right now.,B,:,You,mustnt,come in without a,Xikang code.,A,:,Must,I,have one?,B:,Yes,you,must,.,(,No,you neednt.,/No,you dont have to,.,),A,:,If,you,must,want it,I ll have to go back for it,.,B:You,neednt,go back.You can download one in your Wechat.,一定是,必须,禁止,必须,不必,偏要,非要,疑问，条件,表,禁止,mustnt,表,不必,用,neednt,You,mustnt,miss the lesson online.,I,neednt,get up early at the weekend.,Some functions of must A,Shi Dongpeng,might,win a medal at the Olympic Games.,Although the chance of winning a medal is small,I,ll,try my best!,3,.,Certainty,Shi Dongpeng might win a,very uncertain,almost certain,might,should,must,may,c,ould,ought to,will,1.,Im,not sure./I dont know.,Sh,e,_,be,in English class.,2.She,may not,be in English class.,She,cant,be in English class.,3.When can I come for the photos?,It,_ be,ready by 12:00.,4.,Sh,e,_,be,in English class,for,I can hear a lady,speaking English,.,Certainty:might may could should ought to will must,might,possible,impossible,expected to happen,must,should,fairly sure,very uncertainalmost cert,She,must be,in English class.,She,must be having,an English class.,She,must have finished,the Chinese class.,The,speaker is,almost certain that,she,_,in English class.,she _ an,English class.,she _ the,Chinese class.,she _ the,Chinese class yesterday.,表推测，,must,肯定句,；,can/could,否定、疑问句,；,may,/might,不用于,疑问句,Certainty modals+be doing/have done,is,i,s having,has finished,finished,Certainty modals+be doi,May,I eat KFC if I win the gold medal?,4,.,P,ermission,May I eat KFC if I win th,1,.-,May,I watch TV after finishing my,homework?,-Yes,you,may.,(No,you may not./No,you _./No,youd better not,.),2.,-,Could,I go out to have a walk?,-Yes,you,_.,/No,you _.,can,could,may,might,informal,formal,Permission:can could may might,can,cant,mustnt,1.-May I watch TV after,Can,you help,me with my training?,will,can,could,would,informal,formal,5,.,Making requests,:will can could would,I,don,t,know,how to,use this equipment!,Can you help me with my t,Shall,we do the training in the morning?,It,s,too hot to take exercise in the afternoon.,6,.,Making,suggestions,Shall we do the training,Some functions of,shall,1.,第一、三人称,疑问句，征求意见或,请示,“,可不可以,”,Shall,we,begin our lesson?,Professor,shall,the students,outside come in?,2.,第二、三人称，,陈述句,，,警告,、,命令、威胁,、,允诺,、决心,或法令、规章等的规定,“会、必须”,You,shall,fail if you don,t work harder.,He,shall,have the book when I finish it,.,You,shall,go to the front at once,Nothing,shall,stop us from fighting against,pollution,The rule states that,each,member,shall,wear a mask.,.,警告,允诺,决心,规定,命令,Some functions of shall1.,Translation,A:,我什么时候可以出去？,B:,根据规定,，,密切接触者应遵守居家隔离,。,(,observe home quarantine),如果你未经允许出去,，,你会受到惩罚,。,A,:,When shall,I,be allowed to,go out,?,B,:A,ccording to the rule,close contacts shall,observe,home,quarantine,.,You,shall get punished if you go out without permission.,
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