英语四大时态复习-课件课件.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,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,.,*,英语时态,.,在英语中，,不同时间,发生的动作或存在的状态要用,不同的动词形式,来表现。,每种时态的概念、信息词、结构、句式变化、以及某些时态间的相互区别,重点掌握,时态,Tense,.,时态,现在进行时：,一般现在时：,一般过去时：,现在或现阶段正在,进行,的动作,.,We,are learning,English class now.,经常,或,习惯性,的动作或存在的状态。客观规律,真理,The sun,rises,in the east,.,过去,某个时间或时间段发生的动作或存在的状态。,I,watched,TV last night.,一般将来时：,将来,某一时刻的动作或状态，或将来某一段时间内经常的动作或状态,.,I,will go,to college.,be+v-ing,(,现在分词）,V-,原形,V-s/es,三单,V-ed,(,过去式）,will+V-,原形,be going to+V,原形,1,.,M1,四种基本时态,1.Listen!A boy is,an English song.,A,sing B.singing C.sang D.sings,2.All the students _ trees last week.,A.are planting B.planted C.plant D.will plant,3.There _ an English film next week.,A.is B.be C.are D.is going to be,4.On Sunday I usually,basketball.,A,played B.plays C.play D.playing,5.It _me two hours to finish my homework last night.,A,spent B.cost C.pay D.took,.,各时态常用的信息词,现在进行时：,一般现在时,:,一般过去时,:,now,Look!Listen!at this time,Where is?Dont talk!Its 8:00am.,always,usually,often,sometimes,seldom,never,every day,every,three times a day,last night,last,two days ago,ago,in 1999,just now=a moment ago,yesterday,一般将来时,:,tomorrow,，,next week,；,next in the future,，,in 2050,，,in+,一段时间,2,.,判断下列信息词是属于哪种时态,now,现在进行时,in 1897,Listen!,last night,three times a week,always,two years ago,often,yesterday,Look!,every day,一般现在时,一般过去时,一般将来时,tomorrow,in th future,in five minutes,.,对比,时态,肯定句,否定句,一般疑问句,现在进行时,一般现在时,一般过去时,一般将来时,表格对比学习,be+v-ing,(,现在分词）,在,be,后加上,not,Be,提到句首,V-,原形,V-s/es,三单,在实义,v前用助动词,dont,doesnt,，行为动词要,还原,Do,Does,提到句首，实义动词还原,V-ed,(,过去式）,在实义,v.,前用助动词,didnt,，实义动词还原,Did,提到句首，实义动词还原,will,后加上,not=wont,be,后加上,not=isnt,will+V-,原形,be going to+V,原形,Will,或,be,提到句首,3,.,He is a teacher.,你会了吗？,2.Kangkang comes from China.,3.I usually take the bus to work.,4.They are having classes.,5Jane played the guitar last night.,先变（一般疑问句）,再变（否定句）,Is,he a teacher?,He,isnt,a teacher,.,Does,Kangkang,come,from China?,Kangkang,doesnt come,from China.,Do,you usually,take,the bus to work?,I,dont,usually,take,the bus to work.,Are,they having classes?,They,arent,having classes.,Did,Jane,play,the guitar last night?,Jane,didnt play,the guitar last night.,句型变化操练,.,现在分词,的构成：,动词第三人称,单数的构成：,过去式,的构成：,直接加,-ing.,重读辅元辅，双写尾字母加,-ing.,以,e,结尾去,e,加,-ing.,直接加,-s.,以,s,x,ch,sh,o,结尾加,-es.,以“辅音,+y“,结尾变,y,为,i,再加,-es.,直接加,-ed.,以,e,结尾只加,d.,重读辅元辅，双写尾字母再加,-ed.,以“辅音,+y”,结尾变,y,为,i,再加,-ed.,不规则变化，参考,120,页,4,.,have-,lookbegin-,use-,shop-,get-,dance-,study-,现在分词,第三人称单数,过去式,study-,finish-,have-,go-,do-,play-,watch-,give-,need-,stop-,hope-,play-,try-,plan-,visit-,like-,hav,ing,look,ing,begin,ning,us,ing,shop,ping,get,ting,danc,ing,study,ing,stud,ies,finish,es,has,go,es,do,es,play,s,watch,es,give,s,need,ed,stop,ped,hope,d,play,ed,tr,ied,plan,ned,visit,ed,like,d,词形转换,.,过去式的不规则变化,blow-,buy-,can-,come-,do-,eat-,fall-,find-,forget-,get-,give-,go-,have-,know-,learn-,make-,meet-,read-,run-,say-,see-,send-,sit-,take-,think-,will-,tell-,begin-,teach-,catch-,blew,bought,could,came,did,ate,fell,found,forgot,got,gave,wenthad,knew,learnt,made,met,read,ran,said,saw,sent,sat,took,thought,would,told,began,taught,caught,.,用所给动词的适当形式填空。,1.Listen!Mary _ (sing)now.,2.A young man _(run)on the playground now.,3.My mother _(watch)TV play every day.,4.Old Bush _(visit)China again last month.,5.I _(play)sports three times a day6.Look!Lucy and Lily _(read)books.,7.There _(is)a football match yesterday afternoon.,8.Our class _(go)to the zoo three days ago.,9.We _(finish)our homework in two hours.,10.She is going _(play)ping-pong with us.,is singing,is running,watches,visited,play,are reading,was,went,will finish,to play,.Good bye!,.,小小测试,判断时态形式,：,He always likes playing the piano.(),We are having an English classes now.(),They often go home late.(),Lucy is going to dance tomorrow.(),I liked go to the zoo when I was young.(),Mr Li will go to another school next year.(),Look!They are playing football.(),She was born in 1990.(),I lost much money last night.,（）,A.,现在进行时,B.,一般现在时,C.,一般过去时,D,一般将来时,A,B,C,A,B,D,C,C,D,.,改一般疑问句的方法：,改否定句的方法：,首先看有无,be,或情态动词，如果有，将,be,提到句首并大写，句末打问号,.,如果没有,be,或情态动词，看原句的动词形式来决定借用助动词,do/does/did,并且,实义动词要还原,。,V-,原形,V-s/es,V-ed(,过去式,),+,动词原形,?,以此类推,首先看有无,be,动词，如果有，在,be,动词后面加,not.,如果没有,be,动词，看原句的动词形式来决定借用助动词,do/does/did,并在后面加,not,并且,行为动词要还原,。,主语,+,dont/doesnt/didnt,+,动词原形,Do,Does,Did,.,