高中英语语法选修课-复件“it”典型句型例释 4页

“It”典型句型例释“It”句型一直是近几年NMET命题的热点，同吋也是tl常教与学的重点和难点。在教材和练习中频频出现，由于其繁杂多变，尤其是一些近似句型的辨析，常使同学们望而却步。笔者在平时的教学中，注意收集这样的句子，现将这些句子分类整理并作一简析，希望能对同学们的学习有所帮助。1•©Itis3yearshejoinedthearmy.②Itwillbe3yearswemeetagain.③Tomtoldmethatitwas3yearshehadleftschool.A.beforeB・afterC・sinceD・when析：(De,②a,③。。做这类题目应从时态入手。句①是一个主从复合句，该句型常是：It+is(hasbeen)+sometime+sincesb.didsth.主句用一般现在时或现在完成时,而从句则用—•般过去时。句②为Itwillbe(was)+sometimebeforesb.does(did)sth卢多久某人干…：主句要用一般将来吋或一般过去吋，before引导的从句则用对应的一般现在吋或一般过去吋。又如：Itwasn^tlongbeforewemetagain.不久我们又见血了。句③与句①是同一句型，只不过该句型出现在told引导的宾语从句之中了，故用了was和hadleft的形式。2•①iswell-knowntousallthattheearthisround・②iswell-knowntousall,theearthisround.A.ThatB.AsC.ItD.Which析：①C,②B。句①中it是形式主语，真正的主语是从句“thattheearthisround7句②屮as引导一非限制性定语从句，代替后面整句内容，置于句首。3.©WasitthehouseAbrahamLincolnwasborn?②WasitinthehouseAbrahamLincolnwasborn?A.thatB・whereC・whichD.bothAandB析：①B,②A。句①的先行词是thehouse,/n面为一个定语从句，所以可填where或inwhicho句②为强调句型。判断一个句子是否是强调句型，先把i(is...that...这一结构抛开，看其余部分能否构成一个完整的句子。那么，句①还原为AbrahamLincolnwasbornthehouse,thehouse之前缺少介词in,故不为强调句了。句②则相符，故选thato4•①sverykindyoutohelpus.②ITsveryimportantustokeepthebalanceofnature・A.forB.ofC.toD.with析：①B,②A。在句①中，常见的形容词有kind,good,nice,foolish,stupid,wrong,clever等。他们用來修饰人，表示人物的品质或性格特征。句①可变为You"reverykindtohelpus.所以选氏而句②则不可，因其形容词只能修饰后面的不定式，故用for。5•①nowonderthathehaspassedtheexam・②noneedforyoutowaithere.A.TherebeingB.ItwasC.ItisD・Thereis 析：①c,②D。句①为“无怪...”之意，it为形式主语，that从句为真正主语，该句型还常以Nowonder...,Smallwonder...或Littlewonder...等省略形式出现。又如：Nowonderhewaspunishedbyhisfather。句②为固泄句型，多为否泄句或疑问句。又如：Isthereanyneedtoexplainfurther?有必要更进一步说明吗？6•①Itisstrangethathetheworkin3days・②Itispossiblethathetheworkin3days.A.canfinishB.isfinishingC.shouldfinishD.finish析：①C,②A。在itisnecessary(important,strange,natural)等结构的句子中,其后的主语从句用虚拟语气，结构为"should+动词原形管7•①Itis(high)timethatwetoschool.②ItisthesecondtimethatwetoBeijing・A.goB.wentC・havebeenD.havegone析：①B,②C。句①为Itis(high)time引导的定语从句，应用虚拟语气，其结构为"过去式或should+动词原形7should不可省略。句②的先行词time由序数词修饰，从句要用完成时态，且时态要和主句保持一致。又如：It(This/That)wasthethirdtimethathehadbeeninvitedtoourschool.It"llbethefourthtimethathe"llhavebeen(here.8•①doesn"tmattermuchwhetherhe"11cometotheparty.②Ifeelanhonourtobeinvitedtospeakhere・A.this(This)B.it(It)C.that(That)D.what(What)析：®B,②B。在句①和句②屮it分别作形式主语和形式宾语，故不能用(his或(hat。9•①It"snogoodsuchathing.②ITsofnoimportancesuchathing・A.doB.todoC・doingD.done析：(DC,②B。句①常用doing作真正的主语，故选C。类似句型还有It，snouse/useless)cryingoverthespiltmilk.句②则只能用不定式作真正主语。再如It"simportant/helpful/good/necessary/possible/right/wrong+todo...。10•①Itishopedthatyouthereontime.②Itisadvisedthatyouthereontime.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键。类似句型有：ITssaid/believed/hoped/expected/reported/announced/whisperedthat...等等。做这类题目时，还应注意其转变题型。例如(NMET"99)Robertissaidabroad,butIdorftknowwhatcountryhestudiedin.A.tohavestudiedB・tostudyC・tobestudyingD.tohavebeenstudying如果把首句变为ItissaidthatRobert再结合后面的“studied"便可轻易得出答案A。句②Itisadvisedthat...=sb.advisesthat,所以仍需用虚拟语气,谓语动词为shoulddo或do的形式。类似的句型还有IIisinsisted/ordered/suggested/demanded/required/requestedthat…等等。 历届高考英语单项选择题精选（一）的用法1.WasitduringtheSecondWorldWarhedied?(88)A.that氏whileC.inwhichD.then2.IsnecessarytocompletethedesignbeforeNationalDay?A.thisB.thatC.itD.he3.Idon，tthinkpossibletomeisteraforeignlanguagewithoutmuchmemorywork.(91)A.thisB.thatC.itsD.it4.Doesmatterifhecan"tfinishthejobontime?(91)A.thisB.thatC.heD.it5.TtwasnotshetookoffherglassesIrealizedshewasafamousfilmstar.(92)A.when,thatB.until,thatC.until,thatD.when,then6.Iwasdisappointedwiththefilm.Ihadexpectedtobemuchbetter.A.thatB.this7.Ttwasnotunti11920A.whileB.whichC.oneD.it(93)regularradiobroadcastsbegan.(94)C.thatD.since8.isafactthatEnglishisbeingacceptedasaninternationallanguage.A.ThereB.ThisC.ThatD.It(95)9.ItwasonlywhenIrereadthispoemsrecentlyIbegantoappreciatetheirbeauty.A.untilB.thatC.thenD.so(97)10.IhatewhenpeopIetaIkwiththeirmouthsfull.A.itB.thatC・theseD.them 11.Itistheabilitytodothejobmattersnotwhereyoucomefromorwhatyouare.(2000)A.oneB.thatC.whatD.itKEYS:1-5ACDDB6-10DCDBA11B