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ID:51690017
大小:3.91 MB
页数:16页
时间:2020-01-29
《英语人教版九年级全册unit12 sectiona.pptx》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Unit12LifeIsFulloftheunexpectedSectionAAretheresomethingunexpectedhappenedinyourlife?Sharewithus.Discussthequestions:Lookatthepicturestelluswhathappenedtothegirl.LifeisfulloftheunexpectedPracticetheconversationwithyourpartner.Role-playconversation:Readthepassageandtelluswhathappenedinth
2、eman’slife.Reading:WorldTradeCenterWorldTradeCenter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”。定义:构成:had+过去分词过去完成时6:007:00现在BythetimeIgotup,mysisterhadalreadywashedalltheclothes.1.我到家时她已经睡了。BythetimeIgothome,shehadalreadygonetobed.2.到昨天晚上时消息已传遍全球。Byyesterdayeveningthenewshadspreadthr
3、oughtheworld.3.他走以后我找到了那封信。Ifoundtheletterafterhehadgoneaway.Wereachedthecinemalate.Thefilmhadalreadybeenonfortenminutes.4.我们到电影院晚了,电影已经开始十分钟了。过去分词的构成:1.规则动词的变化(regularverbs):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
4、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过去完成时的构成:由助动词had+动词的过去分词(V.pp)admit-admittedbeg-beggeddrop;prefer;plan;常用的时间状语等标志词:1、by,before,when,bythetime等构成的短语或引导的从句。Eg.1)Bythetimeshecametothebusstop,thebushadalreadygone.2)Wehadf
5、inishedthetaskbeforelastmidnight.3)WhenIarrivedatthepostoffice,IfoundthatIhadlefttheletterathome.4)AfterIhadfinishedmyhomework,Iwenttobed.3、从过去开始,一直持续到过去的另一时间的动作、状态。常用since,for。E.g.ShesaidthatshehadlearnedEnglishforyearssincehecametoourschool.注意:瞬间动词不能和一段时间状语,及since,for引导的从句和短语连用。2、由said,
6、told,knew,heard,thought等引导的宾语从句中。E.g..Hetoldmethathehadheardofit.Ithoughtmyhomeworkhadbeenfinished.ButIdidn’t.构成:had+过去分词否定式:主语+hadn’t+p.p.+….疑问式:Had+主语+p.p.+…?肯定答语:Yes,主语+had否定答语:No,主语+hadn’t肯定式:主语+had+p.p.+….构成:had+过去分词1:Ihadlearnt5000Englishwordsbytheendoflastweek.2:Ihadn’tlearnt5000En
7、glishwordsbytheendoflastweek.3:Hadyoulearnt5000Englishwordsbytheendoflastweek?4:HowmanyEnglishwordhadyoulearntbytheendoflastweek?
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