现在完成时复习 (2).ppt

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1、-The Present Perfect Tense,Grammar revision,时态,不同时间发生的动作，动词要用不同形式,已学习过的时态,1.v原形 2.v+s/es（三单现）,am/is/are+v-ing,1.will/shall+v原形2.am/is/are going to+v原形,1.v-ed（规则动词）2.不规则动词,was/were+v-ing,判断下列句子的时态,1.She works in a factory.2.I was doing my homework at this time yesterday.3.We are going to have a picni

2、c this Sunday.4.They held a sports meeting last week.5.Are you helping your mother.,一般现在时,过去进行时,一般将来时,一般过去时,现在进行时,现在完成时,1.过去发生的动作对现在造成的影响或结果。,2.过去已经开始，持续到现在的动作或状态,动词构成：have/has+v过去分词,have breakfast,I have just had my breakfast.,(现在我不饿),Im not hungry now,moved herein 2000,I still live here,I have liv

3、ed here for three years.,I have lived here since 2000/three years ago.,现在完成时动词构成 have/has+v 过去分词,助动词,否定,haventhasnt,疑问,Have you?Has he?,动词的过去分词形式,1.规则动词2.不规则动词,finish-finished-finishedlive-lived-livedcarry-carried-carriedstopstopped-stopped,Eg.,gowentgonesee-sawseenforgetforgot-forgotten,翻译.,finish,

4、homework,I have finished my homework.,He has finished his homework,havent,Has he,Yes,he has,No,he hasnt,她成为一名护士已经三年了。我五年前就认识李雷了。那些相片我已经寄给他了。（post）我来到这个学校后，他就一直教我。我刚丢了我的历史书。,She has been a nurse for three years.,I have known Lilei since five years ago.,I have already posted the photos to him.,He has

5、taught me since I came to the school.,I have just lost my history book.,know,knew,knownteach,taught,taught lose,lost,lost,Pay attention 注意,1.现在完成时句中常见的时间状语A.表示从过去一直持续到现在,不能是具体过去时间,(1).for+表示一段时间的短语(2).since+表示过去时间点的词语(3).since+表示过去时间的时间状语从句,eg.I have been a teacher _ a year.He has been at this schoo

6、l _ 1992.We have learned 1,000 English words _ we came to this school.,for,since,since,不能是具体过去时间,B.just,already,yet,before/ever,never 有此类副词时,常强调动作完成,不强调动作的持续.,eg.Have you _been to Japan?I have _ finished my homework.I have finished my homework _.I havent finished my homework _.,ever,just,already,yet

7、,2.区分短暂性动词与持续性动词.表示短暂性(瞬间性)的动词在现在完成时的句中不能和一段时间连用.即for,since短语或how long问句,I have bought this pen for two months.,I have had this pen for two months.,How long have you _ this pen.,had,The play has begun for an hour.,has been on for an hour.,come/arrivego out leavebeginbuyborrowjoindiecatch a cold,be,b

8、e out,be away(from),be on,have,keep,be a member of,be dead,have a cold,改错,How long have you become a league member？For more than one year.Have you arrived here since last night.Yes，youre right.The dog has died for a month.He has gone to Shanghai twice.How long have been at this school?Since two year

9、s,been,been,been dead,been,ago,For,改写句子,改写句子,1.My father came back from the bookshop just now.My father _ just _ _ the book shop.2.He began to learn Chinese in 2001.He _ _ Chinese since 2001.3.The film began two minutes ago.The film _ _ _ since two minutes ago.4.He has had the motorbike for two year

10、s.Its two years _he _ the motorbike.He _ the motorbike two years _.Two years _ _ since he _ the motor bike,has,returned,from,has,learned,has been on,since,bought,bought,ago,has passed,bought,用所给动词的适当形式填空,1.He_(go)to America the year before last.2.-What _ you _(do)?-I _(be)a teacher.3.Do you like _(d

11、rink)milk?4.He _ _(not have)his supper yet.5.We _(see)Uncle Li tomorrow.6.Joans mother often _ at four,now she _(cook)7.He _(read)a book when the accident _(happen).8._(travel)by air is very fast9.Let us _(wait)outside.10.The teacher told us _(not talk)any more.,went,do do,am,drinking,hasnt had,are going to see,cooks,is cooking,was reading,happened,Traveling,wait,not to talk,思考Whats the difference between the blue words and the red ones?,Thank you Bye-bye!,