《过去完成时》ppt课件

《《过去完成时》ppt课件》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、过去完成时过去完成时的构成和用法过去完成时由“助动词had（通用于各种人称和数）+过去分词”构成.用法：过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作。过去完成时的用法由时间状语来判定by+过去的时间点。如：Ihadfinishedreadingthenovelbynineo'clocklastnight.bytheendof+过去的时间点。如：WehadlearnedovertwothousandEnglishwordsbytheendoflastterm.before+过去的时间点。如：Theyhadplantedsixhundredtreesbeforel

2、astWednesday.宾语从句中当宾语从句的主句为一般过去时，且从句的动作先于主句的动作时，从句要用过去完成时。Shesaidthatshehadseenthefilmbefore.HetoldmethathehadbeentoHongkongtwice.状语从句中在时间、原因等状语从句中，主、从句的动作发生有先后关系，动作在前的，要用过去完成时，动作在后的要用一般过去时。如：WhenIgottothecinema,thefilmhadalreadybegun.Ididn’tgotoseethefilmbecauseIhadseenit.AfterIhaddonemyho

3、mework,Iwenttobed.注意：before,after引导的时间状语从句中，由于before和after本身已表达了动作的先后关系，若主、从句表示的动作紧密相连，则主、从句都用一般过去时。如：Wheredidyoustudybeforeyoucamehere?Afterheclosedthedoor,helefttheclassroom.过去完成时的否定句形式hadn’t+动词过去分词如:Hesaidthathehadn’tseenanyEnglishfilmsbefore.他说他以前没有看过任何英语电影。Herememberedhehadn'tpaidforit

4、yet.他记得他还没有付款。过去完成时的疑问句形式将had提前,与主语颠倒.如:HowmanyEnglishfilmshadyouseenbytheendoflastterm?到上学期期末为止，你们看了多少部英文片？Hadyoureachedthestationbeforeteno'clock?到十点以前，你们已经到达火车站了吗？回答:Yes,Ihad./No,Ihadn’t.过去完成时专练HowmanyEnglishwords_____you_____(learn)bytheendoflastterm?I________(read)thebooktwicetillyeste

5、rday.They_________(read)threebooksbythen.He__________(learn)Englishbeforehecamehere.WhenIgottothestation,thetrain__________(leave).Bythetimehewasfourteenhe_________(set)upasmallchemistrylabforhisson.AfterI__________(finish)doingmyhomework,Iwenttosleep.hadlearnthadreadhadreadhadlearnt(had)le

6、fthadsetfinished88.Whydidn’tyouseethefilmyesterday?BecauseI__________(see)it.9.Shetoldmeshe__________(be)illrecently.10.Itseemedthathe_________(live)herefortenyears.hadseenhadbeenhadlived9By______________,he_________thetextthreetimes.同步训练1.到上学期你们学会了多少首歌？2.到昨天晚上，他把这篇课文读了三遍。3.十点钟以前，我们到达了车站。__

7、______songs_____you______bytheendoflastterm?We_______tothestation__________.Howmanyhadlearnthadgotbefore10:00hadreadyesterdayevening同步训练用括号里的词或要求改写句子：1.Thebuscametwentyminutesago.Iwasatthebusstop.(before)2.Lastterm,welearnedthirty-fivetexts.(bytheendof)3