It句型归纳计划

精选文档精选文档PAGEPAGE2精选文档PAGEIt句型归纳总结I．It作形式主的句型①It+be+adj(kind,wise,careless,clever⋯)+ofsbtodosthEg:Itiswiseofhimtomakesuchadecision.他做出的决定是理智的。②It+be+adj(easy,safe,common,normal⋯)+forsbtodosth句型中adj若important,necessary,natural,possible,strange,vital,essential等可改从句,从句用should+原形。.Eg:It’sverydangerousforchildrentoplaywithfire.ItisimportantforustolearnEnglishwell.(=Itisimportantthatwe(should)learnEnglishwell.)③It+be+V-ed(reported,believed,said,suggested⋯)+that从句句型中：⑴若V-edreported,believed,said等常“据道”，“据”，“据”。⑵若V-edsuggested,ordered,demanded,insisted等表示“建”,“命令”的，从句要用虚气(should)+原形。Eg:Itissuggestedthatthebook(should)berevised.It’ssaidthatTomhasbeenbackfromabroad.(=Tomissaidtohavebeenbackfromabroad.)④It+be+n(apity,ashame,afact,goodnews⋯)+that从句:句型中，从句一般用(should)+原形，表表示料以外，常＂竟然＂。Eg:Itisapitythatsuchathing(should)happeninyourclass.种事竟然生在你班上，真是憾！Itisuseless/nouse/nogood/pleasure+doingsth此句型中的it是形式主,此后的名短是真切的主,“做⋯没适用”。Eg:It‘suselessarguingwithhimfurther.⑥Ittakessb....todosth.句型中it是形式主，真切的是todosth，常＂做．．．要花某人．．．＂。Eg:IttookthousandsofpeoplemanyyearstobuildtheGreatWall.．It作形式的句型1.sbfind/believe/think/feel/consider/make+it+n/adj+todo或从句句型中的it作形式。了方便我可称句型“6123构”。6指主句中常用的：think,believe,make,find,consider,feel；1指的是形式it；2指的是的两种形式：形容或名；3指的是真切的三种形式：不定式短，名短或that引的从句。Eg:Wethinkitourdutytocleanourclassroomeveryday.HefeltitimportantlearningEnglishwell.Theyfounditdifficultthattheywouldfinishtheirworkintwodays.2.主＋hate/dislike/love/like＋it＋when－从句Eg:Ihateitwhenpeoplespeakwiththeirmouthsfull.3.主＋appreciate＋it＋if－从句Eg:Ireallyappreciateitifyoucouldhelpmewithmymath.4.sb.dependon/counton/relyon/seeto(，保证)/answerforitthat⋯Eg:Youmayrelyonitthathewon’tbelate.Youmustseetoitthatthedoorsarelockedbeforeyouleavethelab.5.sb.takeitforgrantedthat⋯⋯⋯是理所自然的Eg:Itakeitforgrantedthathewillsucceed.III.It引的句型⑴It+is/hasbeen+段+since引的状从句:句型中从句一般用去，句意“自从......以来已多久了”Eg:Itis5minutessincethebusleft.公汽开走已有5分了⑵It+be（will/was）+段+before引的状从句:句型中，主句be若必定式，意“多久才......”；若否定式，意“没多久就......”。Eg:Itwillbelong/3hoursbeforehecomesback.要三个小他才会回来Itwas3hoursbeforehecameback.了三个小他才回来⑶It+be+点+when引的状从句个句型中,it代指，表示点的前没有介。Eg:ItwillbeMondaywhenhecomesback.他周一的候回来.ItwasMondaywhenhecameback.他周一回来的.比：ItwasonMondaythathecameback.(句)⑷It+is(about/high)time+(that)sbdid/shoulddosth意“是某人做⋯的候了”，about/high是用于加气，that从句用should或一般去表虚。亦可成It+is+time+(forsb)todosth.Eg:It’s(high/about)time(that)wehandedin/shouldhandinourhomework.⑸It/This/That+is+thefirst(second⋯)time+thatsbhasdonesth:意“是某人第⋯次做⋯”，注意time前有序数，主句是is，从句要用在完成；假如主句用was，从句用去完成。Eg:ItisthethirdtimethatIhaveseenthefilm.ThatwasthesecondtimethatIhavebeenthere.IV．It引的句☆句形式：It+is/was+被的部分+that/who从句Eg:ItwaslastweekthatImetanoldfriendinthestreet.(原由状从句，只好由because所引的从句.)☆判断方法：将Itis/was和that去掉，若句是一个完好无缺的即句.☆常考考点：①句型中的主一致Eg:Itisyou，ratherthanhe，thataretoblamefortheaccident．②插入从句的句型Eg:ItwasintherestaurantwherewehaddinnerlastSundaythatyouleftyourwallet③句型的一般疑句、特别疑句形式一般疑句：Is/Wasit+被部分+that+句子其余部分Eg:Wasitin1933thattheSecondWorldWarbroke．out特别疑句：疑+be+it+that+句子其余部分Eg:Whenwasitthathechangedhismindtotakepartintheactivity④句型用于名性从句,特别注意要使用述序。Eg:Idon’tknowwhenitwasthathechangedhismindtotakepartintheactivity⑤notuntil用于句型Itis/wasnotuntil＋被部分＋that＋其余部分Eg:Itwasnotuntilmidnightthatshewentbackhome.此句型只用until，不用till。但假如不是句型，till和until可通用。因句型中Itis/wasnot...已能否定句了，that后边的从句要用必定句。V．It其余常用法：Itlooks/appearsasif...看起来忧如⋯⋯Itlooksasifsheisill.Itseemsthat...仿佛⋯⋯Itseemsthathewillbebackinafewdays.Itturnsoutthat...原来是⋯⋯Itturnedoutthatthebeautifulwomanwasathief.Itoccursto/strikessbthat⋯突然想到⋯⋯ItoccurredtomethatIhadn’tlockedthedoor.Ithappenedthat...碰巧⋯⋯Ithappenedthathemethisteacherinthestreet.Itdoesn’tmatterwhether/if⋯无是⋯没关系Itdoesn’tmatterwhetherhewillcomeornot.Itisnowonderthat怪⋯Heworkssohard.It’snowonderhecouldpasstheexam.Howdiditcomeaboutthat⋯“⋯⋯怎么生的”HowdiditcomeaboutthathisbikewasthrownintotheriverItalldepends/thatalldepends.那得看状况It'suptosb.由⋯⋯决定，由⋯⋯，取决于⋯⋯asitis(1)事上，状况是⋯⋯;(2)照原makeit成功、做到、定Believeitornot.信不信由你Getit理解了