It的几个特殊句型

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1It的特殊句型一、高考真题1.(他突然想到)thathehadanimportantconferencetoattendthenextmorning.(occur)(11高考78题)【答案】Itoccurredtohim【解析】本题考察的是occur引导的句型”itoccurstosb。that(某人突然想到)“根据后面的动词提示”had“,故要用一般过去时.2.Duringhislastlecture,thescientist_________(觉得)easiertoexplainthetheorytothosewithsomebackgroundknowledge.(find)(09高考73题)【答案】foundit/found(that)itwasks5u【解析】考查句型结构。根据提示词find及后面的形容词easier可知此处可使用findit+adj.的结构,it后加be动词变做宾语从句也对,此句时态为一般过去时。34._Itcostme_(我花了)onethousanddollarstobuythepaintinglastweek.(cost)(08高考34题)【答案】Itcostme【解析】考点:it做形式主语(特殊句式)关键词:Itcost(★It不用不给分,cost写成costed扣0.5分)结构部分:Itcostsomebodyhowmuchmoneytodosomething其它部分:me二、考点分析1.Itis+被强调部分+that...该句型是强调句型。将被强调的部分放在前面,其它部分2置于that之后。被强调部分可以是主语,宾语,表语或状语。强调的主语如果是人,that可以由who换用。如果把这种句型结构划掉后,应该是一个完整无缺的句子。这也是判断强调句型与其它从句的方法。Itisyourefforts,notyourintelligence,__________(决定)yoursuccess.(determine)Itwasabout600yearsagothatthefirstclockwithafaceandanhourhandwasmade.2.Itisnotuntil+被强调部分+that...该句型也是强调句型。主要用于强凋时间状语,译成汉语"直到…才…",可以说是not...until...的强调形式。ItwasnotuntilshetookoffherdarkglassesthatIrealizedshewasafamousfilmstar.=NotuntilshetookoffherdarkglassesdidIrealizeshewasafamousfilmstar.=Ididn’trealizeshewasafamousfilmstaruntilshetookoffherdarkglasses.3.Itisclear(obvious,true,possible,certain....)that.....该句型中it是形式主语,真正的主语是that引导的主语从句,常译为"清楚(显然,真的,肯定)"是主语从句最常见的一种结构。Itisveryclearthathe’sroundandtalllikeatree.=Thathe’sroundandtalllikeatreeisveryclear.4.Itisimportant(necessary,right,strange,natural...)that...该句型和上一个同属一个句型。由于主句中的形容词不同,that后的从句中要用虚拟语气(should+动词原形),should可以省去。建议记住该句型中的形容词。Itisimportantthatwe(should)learnEnglishwell.Itisnecessary3thathe(should)rememberthesewords.5.Itissaid(reported,learned,believed....)that...该句型中的it仍是形式主语,真正主语是that引导的主语从句。该结构常译为"据说(据报道,据悉…)"。ItissaidthathehascometoBeijing.Itisreportedthatanotherearthsatellitehasbeenputintoorbit.6.Itissuggested(ordered...)that...该句型和上一个同属一个句型。主句中的过去分词是表示请求,建议,命令等词时,that后的从句要用虚拟语气(should+动词原形),should可以省。常译为"据建议;有命令...)Itissuggestedthatthemeeting(should)beputoff.Itwasorderedthatwe(should)arrivethereintwohours.7.Itisapity(ashame,nowonder...)that...该句型中,that后的从句一般用虚拟语气(should+动词原形),should可省去.表示出乎意料,常译为"竟然"。没有这种意义时,则不用虚拟语气。Itisapitythatsuchathing(should)happeninyourclass.这种事竟然发生在你们班上,真是遗憾!8.Itistime(abouttime,hightime)that...该句型中that后的从句应该用虚拟语气,值得注意的是①常用过去时态表示虚拟.②有时也用should+动词原形,should不能省。常译为"是(正是)…的时侯…"。Itistimethatchildrenshouldgotobed.=Itistimethatchildrenwenttobed.9.This/It’sthefirst/second/third…time+现在完成时的句子Itwasthefirstsecond/third…time+过去完成时的句子4It’sthefirsttimethatIhavevisited(我拜访)thecity.(visit)Itwasthefirsttimethatyouhadknockedatthedooroftheteacher10.Itis....since...该句型主要用作处理瞬间动词的完成时,又要和表示一段时间的时间状语连用的问题。主句中是时间作表语,其时态是现在时或完成时,since引导的从句通常是一般过去时态,而且是瞬间动词。如果主句是一般过去时,从句则用过去完成时。Itis(hasbeen)5yearssincehisfatherdied.Itis/hasbeentwoyears20.sincehewentabroad(自从他出国).(go)11.Itis...when...该句型中的when引导的是一个时间状语从句,主句中的it指时间,表语由具体的时间充当。常译为"当…的时候,是…"。Itwas5o’clockwhenhecamehere.12.Itbe...before...该句型主句中的it指时间,主句中的时态常是将来一般时或过去时两种时态.主句中的表语多是long,notlong,3days,2weeks等表示时间段的词或短语。常译为"…之后…"Itwas3daysbeforehewenttoBeijing.Itwillbenotlongbeforehefinisheshisjob.13.Ithappens(seems,looks,appears)that...该句型中it是形式主语,that引导的是主语从句,主句中的happen,seem等词是不及物动词.Ithappened(sohappened)thathemethisteacherinthestreet.碰巧..Itseemsthathewillbebackinafewdays.看来...514.Ittakessb....todosth.该句型中的不定式是真正的主语,it是形式主语,句型中的直接宾语是时间。常译为"做…要花费某人…"。IttookthousandsofpeoplemanyyearstobuildtheGreatWall.15.Itisnogood(use)doingsth.该句型中的真正主语是动名词短语,主句中的表语可以是nogood,(notanygood),nouse,(notanyuse)。ItisnogoodlearningEnglishwithoutspeakingEnglish.16.Itdoesn’tmatterwhether(if)...该句型中whether(if)引导的从句是真正主语,该句型常译为"不论(是否)……没关系……。Itdoesn’tmatteriftheyareold.17.Itiskind(ofsb.)todosth.该句型中的不定式短语是真正主语,如果不定式的逻辑主语是由of引起,主句中的形容词必须是能表示逻辑主语特征的形容词。常见的有:bad,brave,careless,clever,cruel,foolish,good(好心的),honest,horrible,kind,lazy,modest,naughty,nice(有教养的),polite,rude,silly,stupid,wise,wrong(错误的)等。这个句型可以改写为:sb.iskindtodosth.Itiskindofyoutosayso.=Youarekindtosayso.18.Itisnecessary(forsb.)todosth.该句型与上一个同属一个句型。如果不定式的逻辑主语是由for引起,主句中的形容词通常是表示重要性,紧迫性,频繁程度,难易,安全等情况的形容词。常见的形容词有:①important,necessary,natural②easy,safe,common,normal,hard,difficult,dangerous,unusual,rare,impossible,pleasant等。在①中的形容词作表语可以用从句改写,如:6Itisimportantforhertocometotheparty.=Itisimportantthatshe(should)cometotheparty19.Itlooks(seems)asif...该句型中it无意义。asif引导一个状语从句。常译为,"看起来好象..."如果与事实不相符合,则用虚拟语气.Itlooksasifheisill.(真的病了)Itlooksasifhewereill.(没有生病)Itseemedasifheweredying.20.sb+V+itadj/n+todosth/doingsth/-clause….该句型中的it作形式宾语。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,feel;1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。例:Wethinkitimportanttolearnaforeignlanguage.Wethinkitourdutytocleanourclassroomeveryday.Communicationbecomesmoreconvenientnowadays.Cellphones_makeitpossible(使得这成为可能)forustotalktoanyonefromanywhere.(make)(1)V+prep/prep-phrase+it+that—clause….(seeto,lookto,stickto,dependon,relyon,answerfor)Seetoitthatyouarelateagain.(2)V+it+prep/prep-phrase+that—clause(bringittosb’sattention,oweittosb,takeitforg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