1、madeofcanruohanxingWhohadboughtanewmobilephone?Whohadcleanedtheblackboard?Lastclass,whohadbeenstandinghereinClass3?HowmanystudentshadbeensittingonthechairsinClass3?PastPerfectPastPerfectContinuousRevisionPastPerfect过过去去完完成成时时had+pastparticiple(动动词词的的过过去去分分词词)规规则则动动词词不不规规则则动动词词助助动动词词(无无人人称称变变化化)regul
2、arverbsirreguralverbs过去分词的构成：1.规则动词的变化：a)一一般般情情况况下下在在动动词词后后面面加加edwork-workedplay-playedb)以以e结结尾尾的的动动词词直直接接加加duse-usedrefuse-refusedc)以以辅辅音音字字母母加加y结结尾尾的的动动词词，把把y改改i再再加加edstudy-studiedcarry-carriedd)以以重重读读闭闭音音节节结结尾尾的的，前前面面有有单单个个元元音音字字母母时时，双双写写辅辅音音字字母母，再再加加edstop-stoppeddrop-dropped直直接接加加ed有有e只只加加d把把y变
3、变i加加ed重重读读双双写写加加ed2.不不规规则则动动词词的的变变化化lightlighted/litholdheldbuyboughteateatenloselost不不规规则则动动词词的的变变化化见见Moduel5表表PastPerfectContinuous过过去去完完成成进进行行时时hadbeen+presentparticiple(动动词词的的现现在在分分词词)直直接接加加，去去e加加，双双拼拼加加,改改ie为为y再再加加ing现在分词的构成：a)一一般般情情况况下下在在动动词词后后面面加加ingwalk-walkingplay-playingb)以以不不发发音音的的e结结尾尾的的
4、动动词词去e加-ingcome-comingdance-dancingrun-runningput-puttingc)以以一一个个元元音音字字母母一一个个辅辅音音字字母母结结尾尾，且且重重读读的的动动词词，则则先先双双写写该该辅辅音音字字母母，再再加加-ing。d)以以字字母母ie结结尾尾的的动动词词，变变ie为为y，再再加加ingdie-dyinglie-lyingUsethetwotensesforthefollowingsentencesChinathe29thOlympicGames.(hold)hadheldThetorchfor17daysatthetopofBirdsNest.(
5、burn)hadbeenburningHongKong_toChinabeforeMacaocamebacktoChina.(return)hadreturnedThepassengersforalongtimetogetonthetrain.(wait)hadbeenwaitingsummary:1.两两种种时时态态都都是是以以的的时时间间为为前前提提的的。2.过过去去完完成成时时表表示示动动作作已已经经,强强调调。而而过过去去完完成成进进行行时时强强调调动动作作在在过过去去的的某某段段时时间间内内。1.Itheoffice,soitwasverytidy.(clean)2.Shetheof
6、fice,sowehadtowaitoutside.(clean)hadcleanedhadbeencleaning过过去去完完成成一一直直进进行行结结果果Strategies(解解题题策策略略)Step1:先先理理解解句句子子的的大大意意。Step2:找找出出句句子子的的时时间间状状语语，综综合合考考虑虑后后判判断断句句子子应应该该使使用用哪哪种种时时态态。Step3:根根据据选选取取的的时时态态，动动词词做做出出相相应应的的变变化化。Canyoudoit?1.Thepatient_(die)whenthedoctorarrived.2.Thebaby_(cry)forseveralhour
7、swhenhismothercame.3.Byyesterdaymorning,he_(call)metentimes.4.Nowthestudents_(do)theirhomework.hadcalledhaddiedhadbeencryingaredoing5.Hefailedintheexam.Becausehe_(play)thecomputerallnight.6.we_(paint)thehousebeforewemovedin.7.Sofarwe_(learn)alotofwords.8._he_(talk)onthephone?hadpaintedhadbeenplaying
8、havelearntHadbeentalkingTenseUsesTimeAdverbialPastPerfectTotalkaboutanorinthepastwhichhappenedotherpastevents.PastPerfectContinuousactivitiesinthepastthathappenedbeforeotherevents.TheactionsthathappenedbeforeaparticularpointinthepastAnactionthatwasstillandhadnotbeeneventbeforesituationLongerrepeatedinprogesscompleted注注：动动词词为为延延续续性性动动词词如如talk,study,sit等等持持续续的的动动作作WhenByBeforeUntilseveralhoursallnightExtensionMakesentencesofthetwotenses.THANKYOUTHANK YOU
