高中语法复习之it 的用法

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1、TheUseof“it”作代词：(一)表示人以外的第三人称单数名词。---Whatisthis?---______isapen.It注意：(1)it与one的区别---Here,haveanapple.---No,thanks.Ihavejusthave___.A.itB.oneC.thatD.anyBit特指上文提到的“同一物”=the+n.one泛指上文提到的“同类物”=a/an+n.=anappleit特指上文提到的“同一物”=the+n.one泛指上文提到的“同类物”=a/an+n.1)Iborrowabookyesterday,butnowI’velost______.2)Heha

2、smanybooks.Iwanttoborrow______fromhim.3)I’mlookingforahouse.I’dlike____withagarden.4)Iwantyourknife.Lend________tome.itoneoneit注意:(2)that与it的区别:China’spopulationisgreaterthan____ofJapan.thatthat(复数形式用those)代替有定语修饰的名词,用于表达比较结构中的同等成分=thepopulationHisattitudetousis______ofacomrade.that=theattitude(3)i

3、t指代一件事情时与this,that的区别it一般代替从句作形式主语或宾语;this一般指后文要提到的事情;that常指前文提到过的事情.1)Whathetoldmeis____:Hewasillthen.2)Hewasill._____iswhyhedidn’tcometoschool.3)_____istruethathewasillyesterday.thisThatIt(4)one与any区别。Sheaskedmeforsomeink,butIhadn’t______.any代词one只能代替可数名词，不能代替不可数名词any。(二)表示时间、天气、距离、环境、价格等。1)____i

4、stwomilestothestationfromhere.2)____was1949whenChinawasliberated.ItIt(三)表示不明确主语或婴儿Whois______knockingatthedoor?it(四)It代替不定式、动词ing或that从句。作形式主语或形式宾语。______ishisdutytostudyhard.Hefeelthat____ishisdutytostudyhard.3)Hefeel____hisdutytostudyhard.4)Hemade_____aruletogetupearly.5)Iwouldappreciate____ifyou

5、couldlendmesomemoney.It形式主语it形式主语it形式宾语it形式宾语it形式宾语6)______islikelythathewillwin.7)___isnousecryingoverspiltmilk.8)______isnowonderthathefailedintheexam.9)______isnodoubtthathewillfailintheexam.10)______isnoneedforyoutocome.It形式主语It形式主语ItThereThere形式主语“难怪”“毫无疑问”“没有必要”(五)用语强调句型。Itis…that…Tombrokethe

6、windowintheclassroom.主语宾语地点状语ItwasTomthat/whobrokethewindowintheclassroom.ItwasthewindowthatTombrokeintheclassroom.ItwasintheclassroomthatTombrokethewindow.(Whowasitthat….?)(Whatwasitthat…?)(Wherewasitthat…?)注意：在强调主语时，that/who后的谓语应与前面被强调的主语一致。1)It___(be)Iwho___(be)wrong.2)It___(be)youandIwho____(be

7、)wrong.isamisare注意：在强调until引导的时间状语时，其句型:Itis/wasnotuntil…that…翻译为肯定句。Itwasnotuntil8p.m.thatIwenthome.注意几个相似结构的比较：Itisfiveyears______hecametoChina.Itwillbefivedays______hecomestoChina.Itwillbelong__________h