中考英语过去完成时课件.pptx
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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
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