王珍Revision

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1、WelcomeWhohadboughtanewmobilephone?Whohadcleanedtheblackboard?Lastclass,whohadbeenstandinghereinClass3?HowmanystudentshadbeensittingonthechairsinClass3?PastPerfectPastPerfectContinuousRevisionPastPerfect过去完成时had+pastparticiple(动词的过去分词)规则动词不规则动词助动词(无人称变化)regularve

2、rbsirreguralverbs过去分词的构成：1.规则动词的变化：a)一般情况下在动词后面加edwork------workedplay--------playedb)以e结尾的动词直接加duse------usedrefuse------refusedc)以辅音字母加y结尾的动词，把y改i再加edstudy-----studiedcarry-----carriedd)以重读闭音节结尾的，前面有单个元音字母时，双写辅音字母，再加edstop----stoppeddrop-------dropped直接加ed有e只加d

3、把y变i加ed重读双写加ed2.不规则动词的变化lightlighted/litholdheldbuyboughteateatenloselost不规则动词的变化见Moduel5表PastPerfectContinuous过去完成进行时hadbeen+presentparticiple(动词的现在分词)直接加，去e加，双拼加,改ie为y再加ing现在分词的构成：a)一般情况下在动词后面加ingwalk------walkingplay--------playingb)以不发音的e结尾的动词去e加-ingcome-----

4、-comingdance------dancingrun----runningput-------puttingc)以一个元音字母＋一个辅音字母结尾，且重读的动词，则先双写该辅音字母，再加-ing。d)以字母ie结尾的动词，变ie为y，再加ingdie----dyinglie----lyingUsethetwotensesforthefollowingsentencesChinathe29thOlympicGames.(hold)hadheldThetorchfor17daysatthetopofBird’sNest.

5、(burn)hadbeenburningHongKong____________toChinabeforeMacaocamebacktoChina.(return)hadreturnedThepassengersforalongtimetogetonthetrain.(wait)hadbeenwaitingsummary:1.两种时态都是以的时间为前提的。2.过去完成时表示动作已经,强调。而过去完成进行时强调动作在过去的某段时间内。1.Itheoffice,soitwasverytidy.(clean)2.Shetheo

6、ffice,sowehadtowaitoutside.(clean)hadcleanedhadbeencleaning过去完成一直进行结果Strategies(解题策略)Step1:先理解句子的大意。Step2:找出句子的时间状语，综合考虑后判断句子应该使用哪种时态。Step3:根据选取的时态，动词做出相应的变化。Canyoudoit?1.Thepatient_______(die)whenthedoctorarrived.2.Thebaby______________(cry)forseveralhourswhenhi

7、smothercame.3.Byyesterdaymorning,he________(call)metentimes.4.Nowthestudents_______(do)theirhomework.hadcalledhaddiedhadbeencryingaredoing5.Hefailedintheexam.Becausehe______________(play)thecomputerallnight.6.we________(paint)thehousebeforewemovedin.7.Sofarwe____

8、____(learn)alotofwords.8.____he________(talk)onthephone?hadpaintedhadbeenplayinghavelearntHadbeentalkingTenseUsesTimeAdverbialPastPerfectTotalkaboutanorinthepa