it用法第二部分强调句

强调句型Humanactivityhascausedthisglobalwarming.

ItisHumanactivitythathascausedthisglobalwarmingit引导的强调句型基本结构：Itis/was+强调部分+that（人/物）/who(人)+句子其它成分。

注意(被强调部分是:主语，宾语，表语或状语)Tomlostabookintheparkyesterdaymorning.1.强调主语Itwas

Tomthat/wholostabookintheparkyesterdaymorning.2.

强调宾语

Itwas

abook

thatTomlostintheparkyesterdaymorning.4.强调时间状语Itwas

yesterdaymorning

thatTomlostabookonthepark.Itwas

onthepark

thatTomlostabookyesterdaymorning.3.强调地点状语1.强调句的一般疑问句句型:Is/Was+it+强调部分+that/who+其它成分?

Was

it

ateighto’clock

that

youbegantowork?强调句的特殊句型2.强调句的特殊疑问句句型:特殊疑问词+is/was

it

that/who+其它成分?Where

was

it

that

youpickedupthewallet?3.名词性从句（宾语/表语从句）强调句的基本结构主句+疑问词（强调部分）+itisthat+其它成分？Ijustwonder

what

itisthat

makeshimexcited.Heisunwillingtotellmewhomakeshimangry.

Heisunwillingtotellmewhoitisthatmadehimangry.判断是否是强调句是，可把Itis/was…that去掉，剩余部分在不增减任何词的情况下还是一个完整的句子，那么这种句子是强调句。Itwas

inthestreet

thatImetherfather.→InthestreetImetherfather.

Itwas

becauseshewasill

thattheydidn’taskhertodothejob.→Becauseshewasill,theydidn’taskhertodothejob.二、not...until...的强调形式:Itisnotuntil+被强调部分+that...“直到…才…”，Ididn'trealizeshewasafamousfilmstaruntilshetookoffherdarkglasses.→

Notuntilshetookoffherdarkglasses

didIrealizeshewasafamousfilmstar.→

Itwasnotuntilshetookoffherdarkglasses

thatIrealizedshewasafamousfilmstar.三、

句子谓语的强调手段：do/does/did+动词原形e.g我的确相信他是老实人。

Idobelievethatheisanhonestman.他们昨天的确去看过你，但没见到你。Theydidgotoseeyouyesterday,butfailedtomeetyou.

巩固练习：1.Itwas___hesaid____disappointedme.A.what;thatB.that;thatC.what;whatD.that;what2.Isitinthefactory_____thistypeofcarsareproduced?A.whichB.whereC.thatD./3.Isitthefactory______thistypeofcarsareproduced?A.whichB.whereC.thatD./4._____onMondaynightthatallthishappened?A.IsitB.ItisC.WasitD.Itwas5.Itwas_____theoldworkercamethatwe_____theexperiment.A.until;didn’tbeginB.notuntil;beganC.untilbeganD.notuntil;didn’tbegin6.ItisI____singinginthegarden.A.whoareB.whoamC.thatamD.thatis7.---Whydidn’tyouanswerwhenIspoketoyouinthestreetthismorning?---I___butyoudidn’thearme.A.didanswerB.didn’twanttoanswerC.couldn’tanswerD.wastoobusy9.Itwas1969___theAmericanastronautssucceededinlandingonthemoon.A.thatB.whenC.onwhichD.which1.Itwasabout600yearsago______thefirstclockwithafaceandanhourhandwasmade.A.thatB.untilC.beforeD.when2.ItwasonlywhenIrereadhispoemsrecently_____Ibegantoappreciatetheirbeauty.

A.untilB.thatC.thenD.soAB高考链接3.Itisthesepoisonousproducts______cancausethesymptomsoftheflu,suchasheadacheandachingmuscles.whoB.thatC.howD.what4.Why!Ihavenothingtoconfess._____youwantmetosay?

A.WhatisitthatB.WhatitisthatC.HowisitthatD.HowitisthatBA5.Itwas______backhomeaftertheexperiment.A.notuntilmidnightdidhegoB.untilmidnightthathedidn’tgoC.notun