what引导名词性从句的用法(课堂PPT).ppt

what引导名词性从句的七种用法1.Idon’tknowwhatyoumean.2.Nowyoucanseewhataseriousproblemthepopulationis.一、用法归纳表示“……的东西或事情”“所……的”，相当于“thethingthat...;allthat...;everythingthat....”They’vedonewhattheycandotohelpher.他们已经尽力帮助了她。Hesaveswhatheearns.他赚多少，积蓄多少。WhatMaryisisthesecretary.玛丽的职务是秘书。2.表示“……的人或的样子”（指抽象意义的人）相当于thepersonthat（见66）：Heisnolongerwhathewas.他已经不是以前的那个样子。Heiswhatisgenerallycalledatraitor.他就是人们通常所说的叛徒。WhohasmadeFred_______heisnow?谁让fred变成今天的样子？3.表示“……的数量或数目”,相当于theamount/numberthatOurincomenowisdoublewhatitwastenyearsago.我们现在的收入是10年前的两倍。Thenumberofthestudentsinourschoolistentimeswhatitwasbeforeliberation.现在我校学生的数量是解放前的10倍。4.表示“……的时间”,相当于thetimethat：Afterwhatseemedlikehourshecameoutwithabittersmile.似乎过了几个小时他才苦笑着出来。Theyounggirlwastoofrightenedtospeak,standingthereforwhatseemedlikehours.小女孩吓得不敢说话，在那儿站了几个小时。5.表示“……的地方”,相当于theplacethatThisiswhattheycallSaltLakeCity.这就是他们称为盐湖城的地方。In1492,ColumbusreachedisnowcalledAmerica.6.有时what可用作限定词，其后修饰一个名词，表示：倾其所有IgavehimwhatbooksIhad.我把我所有的书都给他了。Hegavemewhatmoneyhehad.他把身边带有的钱全给了我。7.AistoBwhatCistoD句型分析句型:AistoBwhatCistoD.本句型的意思是“A对B而言正如C对D一样”。其中what的意思相当于as（但在此句型不能用as代替）,作连词用,引导状语从句。巩固练习:1.Shehaschangedalot.She'snolonger________sheusedtobe.A.thatB.whatC.whichD.不填2.Thetobaccowhichisusedtomakecigaretteswasfirstgrownin________isnowpartoftheUnitedStates.A.whichB.thatC.allD.what3.NolongerisTomtheman______heusedtobe.A.whatB.howC.whichD.that4.WhathasmadeChina________sheistoday?A.thatB.whatC.asD.which5.Thenumberofthestudentsofthecollegehasreached8,000,twice______itwaswhenthecollegewasopenedtenyearsago.A.whatB.asmuchC.whichD.that1.Shehaschangedalot.She'snolonger________sheusedtobe.2.Thetobaccowhichisusedtomakecigaretteswasfirstgrownin________isnowpartoftheUnitedStates.3.Tomisnolongertheman______heusedtobe.4.WhathasmadeChina________sheistoday?5.Thenumberofthestudentsofthecollegehasreached8,000,twiceas______itwaswhenthecollegewasopened二、用法说明这样用的what相当于“先行词+关系代词”，所以其前不能有先行词：你喜欢什么就拿什么吧。正：Youcanhavewhatyoulike./Youcanhaveeverything(that)youlike.误：Youca