Unit5Canada—“TheTrueNorth”LearningaboutLanguage主语从句宾语从句表语从句同位语从句1.Whatitwastobecomewasamystery.2.Idon’tknowwhowillhelpHenrytowinthebet.3.Histroubleisthathedoesn’tknowanybodyinLondon.4.Thefactthatshipscangotheresurprisesmanypeople.Whatkindofnounclausesarethey?nounclausessubjectiveclause主语从句objectiveclause宾语从句predicativeclause表语从句appositiveclause同位语从句Theappositiveclauseisaclauseusedasanappositive.Theclauseisanexplanationtothenounbefore.同位语从句属于名词性从句，大多由从属连词that引导，常常跟在fact,news,idea,thought,question,reply,report,remark,hope,belief等名词后面。同位语从句一般用来解释或说明这些名词的具体含义或内容，在逻辑上表现为同位关系。appositiveclause同位语从句Theyarefamiliarwiththeopinionthatallmatterconsistsofatoms.WheredidyougettheideathatIcouldnotcome.Wehaven’tyetsettledthequestionwherewearegoingtospendoursummervacation.Thesuggestioncamefromthechairmanthatthenewruleshouldbeadopted.Practice(3m)Findouttheappositiveclausefromthereadingtext.Theideathatyouwouldcrossthewholecontinentwasexciting.TheideathatyoucancrossCanadainlessthanfivedaysisjustwrong.Thefactthatoceanshipscangotheresurprisesmanypeople.同位语从句与that引导的定语从句（1）从先行词看同位语从句与名词之间在逻辑上是“主语+be+表语”的关系。该名词是需要做特殊说明的抽象名词。例如：Theyweredelightedatthenewsthattheirteamhadwon.Thenewswasthattheirteamhadwon.(2)从引导词来看引导词that在同位语从句中是连词，只起连接作用，无具体词，that不可省略；that在定语从句中是关系代词，它在从句中充当一定成分——主语或宾语，有具体词意，作宾语时还可以省略。Thefactory(that)wevisitedyesterdayisachemicalone.ThenewsthathewillleaveforShanghaiistrue.(3)同位语从句的简易判断方法同位语从句与其先行词在逻辑上是“主语+be+表语”的同位语关系。所以，可以在名词和从句之间加系动词be，使之构成一个新句子，如果合乎逻辑，句子通顺，则原句为同位语从句；定语从句是不能够用系表结构把先行词与从句连接起来的。如：Thebeliefthattheearthisflatisstillheldinsomecountries.Thebeliefisthattheearthisflat.4.能用于同位语从句的名词有：ability,patience,anxiety,answer,order,report,wish,decision,suggestion,belief,doubt,fact,hope,message,news,promise,question,reply等等。【达标训练】1．Theroadconditionsthereturnedouttobeverygood，________wasmorethanwecouldexpect.A．itB．whatC．whichD．that【解析】句意：那儿的路况原来很好，出乎我们的预料。which用于引导非限制性定语从句，指代前面的情况。由逗号可知本句不是并列句，排除A项；what不引导定语从句；that不引导非限制性定语从句。【答案】C2.Awarmthoughtsuddenlycametome______Imightusethepocketmoneytobuysomeflowersformymother’sbirthday.(2011济宁高一检测)A．ifB.whenC.thatD.which【解析】考查句式结构。由语境可知：Imightusethepocketmoneytobuysomeflowersformymother’sbirthday.是对thought内容的解释，也就是说两者是同位关系，所以用连接词that引导同位语从句。句意为：我突然有一个强烈的想法，我可以用我的零花钱给我妈妈买些鲜花作为生日礼物。that引导同位语从句，解释说明thought的内容。这是分隔式同位语从句。【答案】C。3.Nobodybelievedhisreasonforbeingabsentfromtheclass_______hehadtomeethisuncleattheairport.(2011连云港高一检测)A.whichB.thatC.whatD.where【解析】that引导同位语从句，解释说明reason的内容。这里介词短语forbeingabsentfromtheclass把reason与其同位语从句分割开来。【答案】B。4.Jimsaidtherewasnoclearevidence______theymeanttomisleadinvestors.(2011苏州高一检测)A．whichB.thatC.whatD.when【解析】句意：吉姆说没有明确的证...
