资源描述：
《新概念英语第二册Lesson14共41页.ppt》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。
1、Lesson14DoyouspeakEnglish?1DiscussionHaveyouevertriedtotalktosomeonewhodidn’tknowyourlanguage?Whathappened?Describethevariouswaysyouareabletorecognizeaforeignerinyourcountry.2EmphasesanddifficultiesThepastperfect---过去完成时Wordsoftenconfused3过去完成时BythetimeIgotoutside,thebushadalreadyleft.bythetime
2、bythetime有两个意思1.到...为止,一般要求主句用过去完成时.Hehadleftbythetimewereachedhome.当我们到家的时候他已经走了.Themoviehadbegunbythetimewegotthere.当我们到那儿的时候,电影已经开始了.2)…当……的时候;如果只是说过去某个时候的状况,用过去时,而不用完成时.Bythetimethewarwasover,deathandsufferingweretobeseeneverywhere.在战争结束的时候,到处可见死亡和饥饿.这里没有“死亡和饥饿”已经完成的意思,只是描述当时这个时间点的状况.所以用过去时
3、.Bythetimewearrivedthemeetingwasover.我们到达时,会议已结束了.thepolicemangettotheshopTomrunawayBythetimethepolicemangottotheshop,Tomhadrunaway.Speaking--freely:Bythetime…orWhen…LiuMeiwakeuptheconcertbeoverBythetimeLiuMeiwokeup,theconcerthadbeenover.hisgrandmacomefromAmericaLiMinggrowupBythetimehisgrandmac
4、amefromAmerica,LiMinghadgrownup.20062011learn4000EnglishwordsBytheendof……Bytheendof2006,Ihadlearned4000newwords.ThePastPerfectTense过去完成时过去完成时的构成助动词had(用于各种人称和数)+过去分词WhenIgottoschool,thebellhadrung.2.过去完成时的用法:主要是表示在过去某个时间,或是动作之前已经发生或完成的动作.也就是过去的过去.ThePastPerfectTense过去完成时3.常用的几种方式:用介词by,before等构
5、成的时间短语.用连词when,before,after或者短语bythetime引导的时间状语从句.Wehadlearnt20Englishsongsbytheendoflastmonth.TheplanehadtakenoffwhenIreachedtheairport.BythetimeIgotup,mybrotherhadlefthome.常用动词的过去式和过去分词playplayedplayedworkworkedworkedleaveleftleftsaysaidsaidgowentgonebewas/werebeentaketooktakengetgotgottensta
6、rtstartedstartedbreakbrokebrokenspeakspokespokendrivedrovedrivenseesawseeneatateeatengivegavegivenknowknewknowngrowgrewgrown1.We___________(learn)twothousandswordsbythetimeIwenttoMiddleSchool.Canyoudoit?3.Whenwe_______(arrive)atthestation,they__________(wait)formorethantwentyminutes.hadlearneda
7、rrivedhadwaited2.I___________(know)himwhenIwasastudent.hadknown4.Oneofthemendidn’tmove,becausehe__________(break)hislegs.hadbroken5.Byyesterdayeveninghe_______________thatimportantletter.(write)6.IthoughtI_______themanbefore.(meet
