英语时态8种基本时态讲解省名师优质课赛课获奖课件市赛课一等奖课件.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,本资料仅供参考，不能作为科学依据。谢谢。本资料仅供参考，不能作为科学依据。谢谢,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,本资料仅供参考，不能作为科学依据。谢谢。本资料仅供参考，不能作为科学依据。谢谢,英语,8种基本时态讲解,第1页,一概念：英语中表示,不一样时间发生动作或存在状态,，需用不一样动词形式表示，这种,不一样动词形式称为时态,。,第2页,二种类：（基本时态）,普通,现在,时普通,过去,时,现在进行时过去进行时,普通未来时过去未来时,现在完成时过去完成时,第3页,1普通现在时：,句型结构：主语,.（包含be动词）宾语,其它成份,当主语是第三人称单数时，,动词词尾加,-s或-es,1)表示经常发生或习惯性动作或状态,。,He,has,breakfast at 6:00,every day.,第4页,2),表客观现实和普遍真理。,The sun,always rises,in the east.,3,)表,永远性动作或状态,。,He,lives,in the country.,第5页,注意：,普通现在时通常与,always,often,usually,等,频度副词,以及,every day,sometimes,once a week 等,时间状语,连用I,always,watch TV at 8:00 in the evening.,They go home,once a week.,第6页,第三人称单数改变形式。,a)普通情况动词在词尾加-s.,come-comes speak-speaks,b)以,o,s,x,ch,sh结尾,单词在词后,加,es,.,do-does go-goes finish-finishes,fix-fixes pass-passes watch-watches,第7页,c)以,辅音字母,y,结尾单词变,y为i加-es,.,Study-studies,carry-carries,d)以,元音字母,y,结尾单词,直接加,-s,.,play-plays stay-stays,第8页,否定,句和,疑问,句。,a)-He,is,an engineer.,-He,isn,t,an engineer.,-,Is,he an engineer?,-Yes,he,is,./No,he,isn,t.,第9页,否定,句和,疑问,句。,b),-We,get up,at 7:30 in the morning.,-We,don,t get up,at 7:30 in the morning.,-,Do,you get up at 7:30 in the morning?,-Yes,we,do,./No,we,don,t.,第10页,c),-He,likes,music.,-He,doesn,t like,music.,-,Does,he like music?,-Yes,he,does.,/No,he,doesn,t,.,第11页,2普通过去时,表示发生在过去动作或存在状态，,通常与表示过去时间状语,如,yesterday,last night,some years ago,in 1990,in those days.等连用。,I was a student,6years ago,.,I went to Beijing,last year,.,第12页,句型结构：主语,.过去时,宾语,其它成份,They saw a film,last night,.,第13页,否定句和疑问句。,a)-He,was,busy,yesterday.,-He,wasn,t,busy.,-,Was,he busy?,-Yes,he,was.,/No,he,wasn,t.,第14页,b)-He,smoked last year.,-He,didn,t smoke,last year.,-,Did,he smoke last year?,-Yes,he,did,./No,he,didn,t,.,第15页,c)-He,joined,the army,in 1990.,-He,didn,t joined,the army in 1990.,-,Did,he join the army in 1990?,-Yes,he,did,./No,he,didn,t,.,第16页,4）动词过去式改变规则。,a)普通情况下词加-ed.,work-worked call-called,b)以,不发音字母,e结尾单词直接加-d,.,live-lived change-changed smoke-smoked die-died,graduate-graduated drive-drove,第17页,c)以,辅音字母,y,结尾单词，,变,y为i加-ed.,study-studied carry-carried cry-cried try-tried,d)以,元音字母,y,结尾单词,直接加,-ed.,play-played stay-stayed,第18页,e)以,元音辅音结尾,单词应先,双写这个辅音字母然后再加,-ed,.,stop-stopped plan-planned pat-patted,第19页,f)动词,不规则改变,：,do-did go-went come-came run-ran,begin-began drink-drank keep-kept,cut-cut set-set let-let,第20页,3普通未来时,表示未来发生动作或存在状态，,常与表未来时间状语,tomorrow,the day after tomorrow,next Sunday,soon,in a few days等,连用。,第21页,句型结构：主语,will/shallV.原形（第一人称用shall）,I,shall,go to Shanghai tomorrow.,They,will,have a meeting next week.,-She,will,be 20 years old.,第22页,be(am,is,are)going to,+,动词原形,They are going to have a meeting next Sunday.,begoingto,和,will,区分,begoingto,表示近期、眼下就要发生事情，,will,表示未来时间则较远一些。,Heisgoingtowritealettertonight.,Hewillwriteabookone,第23页,begoingto,含有“,打算，准备,”意思，而,will,则,没有这个意思,，,Sheisgoingtolendusherbook.,Hewillbehereinhalfanhour.,第24页,be about toV.原形,（意为,马上做,某事，在时间上指,最近未来,）,I am about to leave school.,不能与表示时间副词连用。,They are about to set out.(),They are about to set out,soon.(),第25页,4过去未来时,过去未来时是,立足于过去,某时，从过去观点,看将要,发生动作或状态。,主要用于宾语从句中。,第26页,基本结构：主语,+would/should,/,was/were going to+V.原形+,He said that he,would have,a meeting,next week,.,They said we,should leave,school,tomorrow.,第27页,5,现在进行时,现在进行时表示,现在或现在这段时间正在进行动作,。通常与,now,at present 等时间状语连用。,第28页,基本结构：主语,+be(am,is,are)+v-ing+,其它成份,You,are listening,to me carefully now.,She,is writing,a letter this year.,Look!They,are dancing,.,We,are studying,English at present.,It,s raining,hard now.,第29页,6,.过去进行时,表示,过去某一时刻或某阶段时间正在进行动作,，通常与,at 6:00 yesterday,at this/that time yesterday,when 引导时间状语等连用。,第30页,基本结构 主语,+be(was/were)+v-ing+,其它成份,It was raining,at 7:00 the day before yesterday.,They were building,a reservoir at this time last winter.,第31页,7.,现在完成时,表示,过去发生动作,对,现在造成影响,。,Ive finished,this work.,He,has ever been,to Australia.,第32页,表示,过去某时间已经开始一直连续到现在动作,或状态通常与以下时间状语连用,up to now,in the past,recently,by,for 5 years,since 1994,so far,already,yet,ever,just,第33页,基本结构 主语,+have/has+P.P(动词过去分词),I,have already read,this book.,Have,you read?,Yes,I,have.,No,I,havent,.,What have you,read?,第34页,过去分词,不规则改变,do did done go went gone,eat ate eaten come came come,have had had see saw seen,第35页,注意,含有,终止意义或暂短意义动词不能与,for,since 引导普通时间状语连用。（buy,begin,die,come,go,join,leave 等）,I have had a book for 3 years.,I have,bough,t a book,for 3 day,.,(wrong),He has been in the army for 3 years.,He have,joined,the army for 3 years.,(wrong),第36页,现在完成时与普通过去时区分,：,1)现在完成时,侧重于对现在,影响,；而,普通过去时,侧重于某,一动作发生在过去,某个时间或某段时间。即现在,完成时侧重于现在结果,，而,普通过去时侧重于,动作发生,时间。,比如：,第37页,I have seen the film.,我看过这部电影。,(现在我,仍记得电影内容,),I saw the film three days ago.,三天前我看了这部电影。,(强调是,三天前,而不是别什么时候看电影),第38页,8.过去完成时,表示动作发生在过去某一时间之前已经完成动作或状态,，强调“过去过去”,，常与,by the time,by the end of,before,by 等引导时间状语连用。,第39页,基本结构 主语,+had+动词过去分词+,其它成份,When I,got to,the cinema,yesterday,the,film had begun,already.,He,had learned,English,before he came here,.,第40页,2）,时间状语不一样。,现在完成时常与,already，,yet，,just，,ever，,never，,before等副词以及,“,for+时间,段,”，“,since+过去时间/从句,”等,时间状语连用；,普通过去时则常与,“时间,段,+ago”，just now，,yesterday，,last week等表示过去时间状语连用。比如：,第41页,She,has lived,here,since two years ago.,她两年前就住在这里了。,She,lived,here,two years ago,.,两年前她住在这里。,第42页,Thank,you!,第43页,