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1、WelcomeWhohadboughtanewmobilephone?Whohadcleanedtheblackboard?Lastclass,whohadbeenstandinghereinClass3?HowmanystudentshadbeensittingonthechairsinClass3?PastPerfectPastPerfectContinuousRevisionPastPerfect過去完成時had+pastparticiple(動詞的過去分詞)規(guī)則動詞不規(guī)則動詞助動詞(無人稱變化)regularve
2、rbsirreguralverbs過去分詞的構(gòu)成：1.規(guī)則動詞的變化：a)一般情況下在動詞后面加edwork------workedplay--------playedb)以e結(jié)尾的動詞直接加duse------usedrefuse------refusedc)以輔音字母加y結(jié)尾的動詞，把y改i再加edstudy-----studiedcarry-----carriedd)以重讀閉音節(jié)結(jié)尾的，前面有單個元音字母時，雙寫輔音字母，再加edstop----stoppeddrop-------dropped直接加ed有e只加d
3、把y變i加ed重讀雙寫加ed2.不規(guī)則動詞的變化lightlighted/litholdheldbuyboughteateatenloselost不規(guī)則動詞的變化見Moduel5表PastPerfectContinuous過去完成進(jìn)行時hadbeen+presentparticiple(動詞的現(xiàn)在分詞)直接加，去e加，雙拼加,改ie為y再加ing現(xiàn)在分詞的構(gòu)成：a)一般情況下在動詞后面加ingwalk------walkingplay--------playingb)以不發(fā)音的e結(jié)尾的動詞去e加-ingcome-----
4、-comingdance------dancingrun----runningput-------puttingc)以一個元音字母＋一個輔音字母結(jié)尾，且重讀的動詞，則先雙寫該輔音字母，再加-ing。d)以字母ie結(jié)尾的動詞，變ie為y，再加ingdie----dyinglie----lyingUsethetwotensesforthefollowing sentencesChinathe29thOlympicGames.(hold)hadheldThetorchfor17daysatthetopofBird’sNest.
5、(burn)hadbeenburningHongKong____________toChinabeforeMacaocamebacktoChina.(return)hadreturnedThepassengersforalongtimetogetonthetrain.(wait)hadbeenwaitingsummary:1.兩種時態(tài)都是以的時間為前提的。2.過去完成時表示動作已經(jīng),強調(diào)。而過去完成進(jìn)行時強調(diào)動作在過去的某段時間內(nèi)。1.Itheoffice,soitwasverytidy.(clean)2.Shetheo
6、ffice,sowehadtowaitoutside.(clean)hadcleanedhadbeencleaning過去完成一直進(jìn)行結(jié)果Strategies(解題策略)Step1:先理解句子的大意。Step2:找出句子的時間狀語，綜合考慮后判斷句子應(yīng)該使用哪種時態(tài)。Step3:根據(jù)選取的時態(tài)，動詞做出相應(yīng)的變化。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
