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1、过去完成时perfect tensepresent perfect tensepast perfect tenseReviewPresent perfect tenseSubject+have(has)+doneNegative sentence：have/has not,havent/hasntGeneral question:have/has in advanceExercise1.I_(commute)to London every weekday for over ten years,and I actually enjoy it.(We use the present perfect
2、 to talk about a situation that existed in the past and still exists now,and the past simple when the situation no longer exists.)2.I_(arrive)late for work twice this week so far.(We use the present perfect to talk about a repeated action that might happen again.)3.The new high speed rail link betwe
3、en the north of England and the Channel Tunnel_(open).(When we give news or information,we often introduce a topic with the present perfect and then give details with other past tenses.)Past perfect tenseDefinition:Actions that have occurred or completed before a certain time or action in the pastTh
4、e act of ending the past is used to express the influence on the pastthe past perfect,also called the pluperfect,is a verb used to talk about actions that were completed before some point in the past.haddone用于各种人称sketch mapPastNowFuture agoBefore present perfect tensepast perfect tenseBased on the s
5、ketch map draw a timeline of the sentences below.By the time I got outside,the bus had already left.got outsidehad already leftNowBy the time the policeman got to the shop,Tom had run away.had rungot to shopNowExample:I had learned to play computer games before I turned 8.Had+verb past tensePast Pre
6、sent FutureA point in the pastBasic sentence pattern1、Assertive sentence：subjecthadpast participleWhen we got there,the football match had already started.2、Negative sentence：subjecthad not+past participleHe hadnt worked for two years by then.3、General question：hadsubjectpast participle.？Had he fini
7、shed the work by last month?4、Special question：interrogative wordhadsubjectpast participle.？What had he finished by last month?Assertive sentence：He had worked here for a good many years.（他在这里工作了很多年了。）Negative sentence：He hadnt worked here for a good many years.General question：Had he worked here fo
8、r a good many years?Special question：（based on the underlined sections）How long had he worked here?Sentence pattern transformationSigns of the past perfect tenseBy the time the policeman got to the shop,Tom had run away.I had finished reading the novel by nine oclock last night.By Past simple timeBy
9、 the time,by then,by last year,by the end of last year/month，by five oclock yearterday eveningWhen I got to the station,the train had already left.After he had finished his homework,he went to bed.The airplane had already left when I got to the airport.和when,before,after,as soon as,until/till等引导的状语从
10、句连用或用于从句中We had arrived the station before ten oclock 和before过去时间点连用She said that she had written three-emails.常用语宾语从句中Exercise1.He asked me_during the summer holidays.A.where I had been B.where I had gone C.where had I been D.where had I gone.2.I_900 English words by the time I was ten.A.learned B.
11、was learing C.had learned D.learntAnswer：A C3.Judy_when I called her.A.fells asleep B.is falling asleep C.had fallen asleep D.has slept4.Jennifer and James_each other for only two months when I called her.A.are knowing B.have known C.are going to know D.had known5.By the time my sister_home yesterda
12、y,I_the dinner already.A.arrived,had cooked B.had arrived,cookedC.arrived,cooked D.had arrived,had cookedAnswer:C D A(B)is falling asleep(D)has slept6.I had_found a job before I graduated from collegeA.already B.yet C.ever D.soon7.We_dinner when he came home.A.had hadnt B.havent had C.will not have D.hadnt had8.She had written a number of books_the end of last year.A for B.in C.by D.at9.What_Peter_by the time he left Beijing?A.did,do B.has,done C did,did.D.had,doneAnswer:A D C D