It用法归纳学案

学习资料收集于网络，仅供参考UnitOne:It用法归纳学案一、指代1.用来指代上文提到的事物。1）----Passmeyournose. -----Hereitis.2）Whateveryoudoandsay,askyourselfwhetheritiswelcomedbyothers.表示时间，天气，距离，温度等。1）Itwascoldyesterday.2）Itmaybe25kmsfromheretothetown.3）Itwasveryquietinthecafé.作为人称代词，it可以用来指东西、动物、婴儿和未确定身份的人。1）Where'smylefteye?Haveyouseenit?2）Thecatisinthegarden,isn'tit?3）Thebabycriedbecauseitishungry.4）(有人在敲门）Whoisit?4.表示谁在做某事的句子：1）--- Whoisit? ---It’sme.2）Herfacelightedwhenshesawwhoitwas.5.用来泛泛的指某件事：1）Itdoesn’tmatter.2）Itisashame,isn’t it?3）Soyouaregoingtobemarriedthistime？Whenisit？★注意：it,one及that作代词的用法区别it代替前面提到的同一事物,该事物既可以是可数名词也可以是不可数名词。2.one代替前面提到的同类事物中的一个。该事物只能是可数名词 ,前面可以有冠词,也可以 被this、that或形容词修饰,其后也可以有定语。that代替前面提到的同类事物中特指的一个。该事物既可以是可数名词也可以是不可数名词,要有后置定语,但不可以有前置修饰语。选择：1.Thenewsthattheyfailedtheirdrivingtestupsethim,________?A.didthey ‘tthey C.didit ’tit‘twehavealittlebreak?’twejusthave________?A.it B.that C.one D.this3.Fewpleasurescanequalto________ofacooldrinkonahotday.A.some B.any C.that D.those二、形式主语Itisnecessarytobepreparedforajobinterview.Havingtheanswersreadywillbeofgreathelp.Itisknowntoeverybodythatthemoontravelsroundtheearthonceeverymonth.句子:由that引导的主语从句有时为了使句子结构平衡 ,避免“头重脚轻”,常学习资料学习资料收集于网络，仅供参考用it作形式主语,而把从句放在后面。 例如:.Thathewillrefusethispieceofadviceisimpossible.__________________________________________________________________.Thattheyshouldlikeeachotherisnatural.__________________________________________________________________常用句型:1)Itis+n.+从句Itisapity/shamethat...遗憾的是⋯⋯Itisasurprisethat⋯ 令人惊奇的是⋯Itisafactthat⋯ ⋯是事实Itiscommonknowledgethat⋯⋯是常识*_______________(很遗憾)welostthematch.*______________(这是事实)hecheatedintheexam.2)Itis+adj.+从句It’scertainthat⋯ 肯定⋯Itispossiblethat... 很可能⋯⋯Itisunlikelythat... 不可能⋯⋯Itisobviousthat⋯ 很明显⋯Itisnecessary\important\natural\...that⋯*_________________(很可能)shewillcomebacktomorrow.*_________________(很明显)thismeasureiseffective.3)It+不及物动词+从句Ithappenedthat... 碰巧⋯⋯Itoccurredtomethat⋯ 我突然想起⋯Itseemsthat⋯ 似乎⋯Itappearsthat⋯ 看来⋯*________________(刚好)Icameintotheofficeatthattime.*____________________(我突然想起)Iforgettosendtheletter.4)It+be+过去分词+从句Itissaidthat... 据说⋯⋯Itisknowntoallthat... 众所周知⋯⋯Itisreportedthat... 据报道⋯⋯Itisbelievedthat... 据信⋯⋯;人们相信⋯⋯Itissuggestedthat+(should）do...建议⋯⋯Itmustbeadmittedthat⋯必须承认⋯⋯Itcannotbedeniedthat⋯不可否认⋯⋯Itmustbepointedoutthat⋯需指出的是⋯⋯学习资料学习资料收集于网络，仅供参考*___________________(据报道)20peoplewerekilledintheaccident.*___________________(建议)weshouldeatmorevegetableanddomoreexercise.短语1.Itis adj (forsb.)todosth.important，necessary，natural，impossible，unusual，rare，easy，hard，difficult ，pleasant， likely, right,wrong,clear,obvious,certain, 等。2.Itis adj (ofsb.)todosth.good（好心的），nice（有教养的），polite，kind，brave，careless，honest ，modest，wise，clever，thoughtful,careful,crazy，bad，lazy，rude，cruel，foolish，silly，stupid，等。3.It‘snogood/usedoing⋯It's(well)worthdoing⋯其他1.Ittakessb....todosth. “做．．．要花费某人．．．”。IttookthousandsofpeoplemanyyearstobuildtheGreatWall.2.Itdoesn’tmatterwhether(if)... “不论（是否）．．．没关系．．．。Itdoesn’tmatteriftheyareold.三、形式宾语1.动词+it+形容词/名词+（forsb+）todo+that从句2.动词+it+形容词（important、necessary、natural、essential）+that从（should）Thechairmanthought___necessarytoinviteMr.ObamatovisitPeking.A.that B.it C.this D.him译：我认为你去参加这会议很重要。动词（accept,regard,take,see,）+it+as+noun/adj.+从句动词+it+tosb.+that⋯oweittosb.that⋯把⋯归功于⋯leaveittosbthat⋯把⋯留给某人去做takeitforgrantedthat把⋯想当然keepitinmindthat⋯把⋯记在心里例1.Don'tbothertotidyyourroom.Justleaveittometodo.译，他想当然的以为女朋友会再回来。学习资料学习资料收集于网络，仅供参考