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时间:2018-12-03
《英语语法:It的用法.ppt》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、英语语法:It的用法英语课件学科网I.代词ita.用作人称代词,代替前文提到的事物。Mywatchismissing.Ican’tfind(it)anywhere.Herfatherhasgoneabroad.Haveyouheardabout(it)?b.代替指示代词this,that。What’sthis?(It’s)acomputer.Whosepenisthat?It’smine.c.表示时间、天气、距离、季节、明暗等。It’stimeforlunch.It’sgettingwarmerandwarmer.It’
2、sfortyyearssincemyhometownwasliberated.It’ssummernow.Howfarisitfromheretotheairport?It’sabouttwentyminutes’walkfromheretothebusstop.学科网II.引导词:a.作形式主语,代替由不定式,动名词或从句表示的真正主语。其基本句型为:It(形式主语)+adj.+to+v.It(形式主语)+adj.+that(subject(主语)+v.)It(形式主语)+adj.+whether(subject+v.
3、)Itis+adj.+for/sb.todosth.(of)It+seems(appears)+that(subject+v.)happens①Itisveryimportanttohelpeachother.②Itisnouse/uselessgoingthereagain.③It’snotdecidedyetwhentheywillleaveforShanghai.④Itseemsthathehascaughtacold.=Heseemstohavecaughtacold.学科网⑤Is____ possibletom
4、asteraforeignlanguageintwomonths?A.now B.that C.it D.man⑥Is____ necessarytotellhisfatherthetruth?A.it B.that C.what D.heb.作形式宾语,代替由不定式、动名词或从句表示的真正宾语。其主要基本句型为:主语+谓语+it(形式宾语)+宾语补足语+todosth.(doingsth.或that从句).①MarxfounditimportanttostudythesituationinRussia.②She
5、thoughtitnousetowritetohimagain.③Theywanttomakeitcleartothepublicthattheydoanimportantandnecessaryjob.学科网④Doyouthink___ difficulttoworkoutthismathsproblem?A.that B.very C.yourself D.it⑤Havingbeentheremanytimes,___tofindMr.Wang’shouse.A.itwaseasyforhimB.forhimit
6、waseasyC.hefounditeasyD.hefoundeasyc.用在强调句型中,为了强调句子的某一成分(通常是主语、宾语或状语),常用结构:Itis/was+被强调部分+that(who)….ImetTominthestreetyesterday.①ItwasIwho(that)metTominthestreetyesterday.②ItwasTomthatImetinthestreetyesterday.③ItwasinthestreetthatImetTomyesterday.④Itwasyesterday
7、thatImetTominthestreet.主语宾语时间状语地点状语学科网⑤____ shehadarrivedhomethatsherememberedherappointment(预约)withthedoctor.A.ItwasnotuntilB.NotuntilitwasC.NotuntilD.Untilitwasnot1.It___forthisreason___herunclemovedoutofNewYork.A.is...whichB.was...whyC.was...thatD.were...how2.
8、Itwas___hesaidatthemeeting__disappointedme.A.what..,thatB.that..,thatC.what..,whatD.that..,whatDrills3.---Wasn’titDr.Liwhospoketoyoujustnow?---______.A.Ididn’t
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