Unit12Unit12Lifeisfulloftheunexpected.Lifeisfulloftheunexpected.Period2Period2ringgetgoleavestartbetakerunwakerangrunggotgottenwentgoneleftleftstartedstartedwas/werebeentooktakenranrunwokewokenMakethreesentenceswitheachword.Pleaseuseitsthreeforms.Readthepassage,answerthetwoquestions•1.Whichtwoeventsdoesthewritermention?•2.Howdidthewriterendupmissingbothevents?Readthepassage,answerthetwoquestions•1.Whichtwoeventsdoesthewritermention?•A.Theplaneshithisofficebuilding.•B.Hemissedhisplane.•2.Howdidthewriterendupmissingbothevents?•Lucky.eastaliveabovefoundfullIliveintheeastofthiscity.Heisaliveaftertheaccident.Abovethebuilding,thereisblacksmoke.Ifoundmywallet.Thecupisfullofwater.GrammarFocusGrammarFocus2.过去完成时可以表示过去某一时刻或某一动作之前完成的动作或呈现的状态。也就是说发生在“过去的过去”。1.PastperfectTense过去完成时构成：had＋过去分词6:007:00现在BythetimeIgotup,mysisterhadalreadywashedalltheclothes.BythetimeIgotoutside,thebusBythetimeIgotoutside,thebushadalreadyleft.hadalreadyleft.ThedifferencesbetweenPresentPerfecttenseandPastPerfecttense.(1)ShehastaughtEnglishfor6years.(2)“WhereisSusan”“ShehasgonetoAmerica”.表示过去某时发生的动作，这动作可能刚刚停止,也可能还在进行。(1)ShesaidshehadtaughtEnglishfor6years.(2)BythetimeIgottoLondon,shehadgonetoAmerica.表示过去某时之前发生的动作。现在完成时:主语+have/hasdone过去完成时:主语+haddoneBythetimeIputcreaminthecoffee,thecoffeehadbecomecold.BythetimeIgottoschool,theteacherhadcollectedthemathhomework.Beforetheworkdayended,Ihadcompletedtheworkformyboss.BeforeIarrivedatthecinema,themoviehadstarted.BeforeIgothomefrommylanguagecourse,mymotherhadfinishedmakingtheapplepie.hadhadforgottenhadrushedsentouthadgoneintohadfoundoutshowedup
