过去完成时讲解-PPT课件.ppt

1、the policeman get to the shopTom run away By the time the policeman got to the shop,Tom had run away.Speaking-freely:By the time or WhenLiu Mei wake up the concert be over By the time Liu Mei woke up,the concert had been over.his grandma come from AmericaLi Ming grow up By the time his grandma came

2、from America,Li Ming had grown up.2006 2011 learn 4000 English words By the end ofBy the end of 2006,I had learned 4000 new words.The Past Perfect Tense过去完成时1.过去完成时的构成过去完成时的构成助动词助动词 had(用于各种人称和数用于各种人称和数)+过去分词过去分词When I got to school,the bell had rung.2.过去完成时的用法过去完成时的用法:主要是表示在过去某个时间主要是表示在过去某个时间,或是动或是

3、动作之前已经发生或完成的动作作之前已经发生或完成的动作.也就也就是是过去的过去过去的过去.The Past Perfect Tense过去完成时3.常用的几种方式常用的几种方式:用介词用介词by,before 等构成的时间短语等构成的时间短语.用连词用连词when,before,after或者短语或者短语by the time引导的时间状语从句引导的时间状语从句.We had learnt 20 English songs by the end of last month.The plane had taken off when I reached the airport.By the tim

4、e I got up,my brother had left home.常用动词的过去式和过去分词常用动词的过去式和过去分词play played playedwork worked workedleave left leftsay said saidgo went gonebe was/were beentake took takenget got gottenstart started started break broke broken speak spoke spoken drive drove driven see saw seen eat ate eaten give gave g

5、iven know knew known grow grew grown1.We _(learn)two thousands 1.We _(learn)two thousands words by the time I went to Middle School.words by the time I went to Middle School.3.3.When we _(arrive)at the station,When we _(arrive)at the station,they _(wait)for more than twenty they _(wait)for more than

6、 twenty minutes.minutes.had learnedarrivedhad waited2.I _(know)2.I _(know)him when I was a him when I was a student.student.had known4.One of the men didnt move,because he 4.One of the men didnt move,because he _ (break)his legs._ (break)his legs.had broken5.By yesterday evening he _ that important

7、letter.(write)6.I thought I _ the man before.(meet)7.By six oclock they _ for ten hours.(work)8.I went to Nicks house,but he _ out.(go)9.I _ the problem when class was over.(not understand)had writtenhad writtenhad methad methad workedhad worked had gonehad gonehadnt understoodhadnt understood口语练习口语

8、练习1.a.I got up.My brother was in the shower already.b.By the time I got up,my brother _ in the shower already.2.a.I ran outside to the bus stop.The bus was gone.b.3.a.I got home.I realized that my homework was still at school.b.had gottenBy the time I ran outside to the bus stop,the bus had already

9、gone.When I got home,I realized that I had left my homework at school.4.a.I woke up.My clock stopped two hours ago.b.5.a.I got to the cinema at 8.The film started at 7:30.b.6.a.I got to the party.Jim went home an hour ago.b.By the time I got to the cinema,the film had already started.By the time I w

10、oke up,my clock had stopped for two hours.When I got to the party,Jim hadalready gone home.一、表现形式一、表现形式1.基本形式：基本形式：had+过去分词过去分词。2.否定形式：否定形式：had+not+过去分词过去分词(had not照样可缩照样可缩写写hadnt)。3.一般疑问形式：一般疑问形式：had提到句首提到句首，回答用，回答用Yes,主语主语+had./No,主语主语+hadnt.例如：例如：Had he told you to go there earlier yesterday?他他昨天

11、告诉过你早点儿到那儿吗？昨天告诉过你早点儿到那儿吗？Yes,he had./No,he hadnt.是的，他告诉了。是的，他告诉了。/不，不，他没有。他没有。4.被动语态形式：被动语态形式：had+been+过去分词。过去分词。如：如：When I got there,the windows had been broken.二二.用法用法1.过去完成时表示一个动作或状态在过去某一时间或过去完成时表示一个动作或状态在过去某一时间或动作之前已经结束或完成动作之前已经结束或完成.它表示的动作发生的时间它表示的动作发生的时间是是“过去的过去过去的过去”.I had written the articl

12、e when they came.2.表示一个动作或状态在过去的某一时间之前已经开表示一个动作或状态在过去的某一时间之前已经开始始,一直延续到这一过去时间一直延续到这一过去时间.They had worked for 12 hours by 6 oclock this morning.明显标志明显标志:1.句中有句中有by引导的过去时间状语引导的过去时间状语:By the time we got there,all the other guests had arrived.2.与过去完成时连用的时间状语有与过去完成时连用的时间状语有already,yet,still,never等等.They

13、had already left before I returned.1.Kates never seen Chinese films，_?A.hasnt she B.has she C.isnt she D.is she2.-Ann has gone to Shanghai.-So _her parents.A.has B.had C.did D.have3.-Mum,may I go out and play basketball?-_you_ your homework yet?A.Do;finish B.Are;finishing C.Did;finish D.Have;finishe

14、d4.His brother has been to Stone Fores twice_he came to Yunnan.A.after B.before C.since D.for5.Tom_the CD player for two weeks.A.has lent B.has borrowed C.has bought D.has had6.I_a letter from him since he left.A.didnt receive B.havent got C.didnt have D.havent heard7.-Have you ever_Lintong to see t

15、he Terra Cotta Warriors?-Yes,I have.A.went to B.gone to C.been in D.been to8.My parents _ Shangdong for ten years.B.have been in B.have been to C.have gone to D.have been9.I wont go to the concert because I _my ticket.A.lost B.dont lose C.have lost D.is coming1.When I_(get)there,the Smiths already_(

16、have)their dinner.2.By the end of last year they _(produce)more than 500,000 tractors.3.Tom_(read)at least 20 novels in the past year.4.He_(work)on a farm for 3years before he became a shopkeeper.7.My brother _(join)the army in 1989.He _(be)a soldier for over 3 years.10.I _(know)Mr.Li since I_(come)to study in this school.11.So far,Irving _(live)in New York City for ten years.