会计学名词性从句相当于名词，可分别作主句的主语、表语、宾语和同位语。因此(yīncǐ)，名词性从句可分为主语从句、表语从句、宾语从句和同位语从句。1.Whenwewillstartisnotclear.2.Shewon’tbelievethathersonhasbecomeathief.3.Myideaisthatweshoulddoitrightnow.4.Ihadnoideathatyouwereherfriend.辨别名词性从句(cónꞬjù)的种类主语从句一般(yībān)有三种结构：宾语从句(cónꞬjù)的结构表语从句表语从句位于连系动词后,有时(yǒushí)用asif引导。其基本结构为:主语+系动词+that从句。1.be,look,remain,等系动词后均可跟表语从句：Mysuggestionisthatweshouldgoshopping.2.asif也可引导表语从句。Itlooksasifit’sgoingtorain.同位语从句在句中作同位语，它一般要放在主句中某些名词的后面，说明这些(zhèxiē)名词的含义。可跟同位语从句的名词主要有：fact,news,promise,reason,idea,hope,word,belief等。如：Beijing,thecapitalofChina,ismyhometown.Weheardthenewsthatourteamhadwon.Wewerehappytohearthenewsthatwasannouncedbyourboss.II.名词(míngcí)性从句的引导词：考点一：区别(qūbié)that,what与which考点二：区别(qūbié)whether与if考点三：区别(qūbié)what,whatever,与nomatterwhat...考点四：it作形式主语或形式宾语考点五：名词性从句的语序考点6：插入语考点7：虚拟语气考点(kǎodiǎn)1：连接词：that与what的区别what引导(yǐndǎo)名词性从句时，在从句中作主语，宾语或表语。Itiswidelyaccepted____theearthgoesaroundthesun.2.Theproblemis_____wecan’tfinishtheworkintime.1._______hesaidsomadeusangry._______hesaidatthemeetingmadeusangry.2.Acomputercanonlydo_________youhaveinstructedittodo.（01全国）3.中国不再(bùzài)是过去的样子了。4.Amoderncityhasbeensetupin______wasawastelandtenyearsago.（04天津）A.whatB.whichC.thatD.whereB:what(什么(shénme))/which(表选择,哪一个)考点(kǎodiǎn)2.区别if与whether4._____youarenotfreetomorrow,I’llgowithoutyou.请你归纳(guīnà)___________________等引导的名词(míngcí)性从句不含有疑问意义，相当于名词(míngcí)后加一个定语从句，而____________等引导的名词(míngcí)性从句含有疑问意义。1.__________wassaidheremustbekeptsecret.2._______weneedismoretime.3._______hastakenawaymybagisunknown.4._________breaksthelawwillbepunished.Nomatterwhodestroystheforestwillbepunished.1.他犯了那样一个错误真是(zhēnshi)遗憾。___________________________isapity.2.他来不来不重要。________________________doesn’tmatter.用it作形式主语(zhǔyǔ)的结构ThisisafactthatEnglishisbeingacceptedasaninternationallanguage.2.Itworriedherabit_______herhairwasturninggray.A.whileB.thatC.ifD.forit指代后面从句所叙述的内容(nèiróng),常用like/dislike/love/hate/appreciate/make