it 用法总结

Theusageofit1.Itneverrainsbutitpours！2.Ittakestwotomakeaquarrel.3.Alltimeisnotimewhenitispast.4.It’sthethoughtthatisthemostimportant.5.Itisnousecryingoverspiltmilk.不鸣则已，一鸣惊人一个巴掌拍不响机不可失，时不再来。礼轻情意重。覆水难收。NO.1杂七杂八的ItNO.2专“一”十足的ItNo.3“强劲”十足的ItNo.4与“时”共舞的ItNo.5为他人做嫁衣的ItIt’s10:08It’slovelyItweighsonly3kilogramsIt’salargesumofmoneyNO.1杂七杂八的ItNO.2专“一”十足的It专“一”十足的It1)---WhatshouldIdowithyourbag?----Oh,justleaveonthetable2)SomestudentsinourclassaretryingtheirbesttolearnEnglishwell.Haveyouheardabout?A.itB.whichC.oneD.thisit1.TheParkersboughtanewhousebut___willneedalotofworkbeforetheycanmovein.A.theyB.itC.oneD.which2.We’vebeenlookingathousesbuthaven’tfound___welikeyet.A.oneB.onesC.itD.them3.I’mmovingtothecountrysidebecausetheairthereismuchfresherthan___inthecity.A.onesB.oneC.thatD.those易误辨析:it/one/thatBACthehousethattheParkersboughtahousetheairNo.3“强劲”十足的It高考中的”it“重要用法1、Itbe+被强调部分+that/who…ImetTomatthestreet.Hisprogressmakesmedelighted.Itishisprogressthatmakesmedelighted.高考中的”it“重要用法2、Itbe+notuntil+被强调部分+that…1)Ididn’trealizeshewasafamousfilmstaruntilshetookoffherdarkglasses.ItwasnotuntilshetookoffherdarkglassesthatIrealizedshewasafamousfilmstar.NotuntilshetookoffherdarkglassesdidIrealizeshewasafamousfilmstar.Itistheabilitytodothejob__mattersnotwhereyoucomefromorwhatyouare.A.oneB.thatC.whatD.itItis/was+被强调的部分+that/who+句子其他成分Thankyou!No.4与“时”共舞的It1、Itbe+时间段+before…Itwillbeoveramonthbeforeweendourclasses.Itwasnotlongbeforethepolicecaughtthethief.2、Itbe+时间段+since+---ItistwoyearssinceIhavebeeninthearmy.3、It+was+时间点+when+S+一般过去时Itwasteno’clockwhenwebeganourlesson.No.5总为他人做嫁衣的“It”充当”形式主语”的It1、It+be+adj.of/forsbtodosth•如果句型中的形容词是用来描述sb的特征如kind/rude/cruel/polite/right/wrong/foolish/silly/stupid/wise等，则用of，=sb+be+adj.+todosth；*若句型中形容词是用来描述todo的如important/necessary/hard/difficult/easy/natural/common等，则用for。2.Itisclear(obvious,possible,true,certain....)that.....Itisveryclearthathe’sroundandtalllikeatree.=Thathe’sroundandtalllikeatreeisveryclear.3.(Itis)nowonder(that)---(Itis)awonder(that)---:4.Itissaid(well-known/reported/learned/thought/believed....)that...据说（据报道,据悉,据认为，据相信•.①Itishopedthatyou________thereontime.②Itisadvisedthatyou________thereontime.A.arriveB.shouldarriveC.willarriveD.bothAandB•析：①C，②D。句①是it作形式主语，that从句作真正的主语。主从句时态一致是解题的关5.1)Ittakessb多少时间todosth.2)Ittakessb---todosth.Ittakes__________________________patiencetolookafterpatients.6.It’suptosbtodosth由某人决定做某事。口语中常用It’s(all)uptoyou或uptoyou表示“由你决定”。It’suptoyou____(decide)whenwewillstart.7、It’suseless/nouse/gooddoing做……是无用的/不好的。•Itisnouse_____(cry)overspiltmilk.•覆水难收•过去的事哭也是白费力气。•Itisnouse_____(cry)aboutthepast.•期待别人的帮助是不行的。•Itisnogood___(hope)forother'shelp.8、Ithappens/occurs/appears/seemsthat…此句型意为：碰巧……好象……似乎……1,It(so)happenedthatIwaswatchingTVwhenhecametoseeme.2,Itappearedthatthelittlegirlwouldprobablyneverwalk.3,Itseemsthatheisalwaystrue.小结：it做形式主语•It可以在句中充当形式主语，真正主语可以由______引导的主语从句充当，还可以由______以及_________短语充当。that不定式动名词…possibleItis/was+adj.necessary+important……one’sdutyIt+is/was+n.one’shope+anhonour……saidItis/was+p.p.knownbelieved…that从句(forsb.)todosth.+that-clause(for/ofsb.)todosththat从句It+be+…nogood/nouse…+doingItseems/happens/matters/…+从句充当”形式宾语”的Itsbthink/find/consider/make+it+adj./n.+todo/doing/that…为了记忆方便我们可称该句型为“6123结构”。6指主句中常用的动词；think,believe,make,find,consider,feel1指的是形式宾语it；2指的是宾补的两种形式：形容词或名词；3指的是真正宾语的三种形式：不定式短语，动名词短语或that引导的宾语从句。1)Wethinkitourdutytocleanourclassroomeveryday.2)HefeltitimportanttolearnEnglishwell.3)Theyfounditdifficultthattheywouldfinishtheirworkintwodays.在一些固定用法中考查常见的固定用法有:makeit成功，安排在或定在某时间forgetit别提了，忘了它吧Don’tmentionit别提了，表示不用谢Itdoesn’tmatter没关系It(That)depends视情况而定Youguessedit你猜着了It’shardtosay很难说It’suptoyoutodosth.由你来决定做某事it代词人称代词指示代词非人称代词引导词it用在强调句中it用作形式主语it用作形式宾语小结：Thankyouforyourlistening!