名词性从句与定语从句的区别.doc

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1、语法系列复习专题-----名词从句、定语从句名词从句名词从句有四类：宾语从句、主语从句、表语从句、同位语从句。例如：宾语从句：Idon’tknowwherehewillgo.主语从句：Wherehewillgoisunknown.表语从句：Theproblemishowwecangetsomuchmoney.同位语从句：Weallfeelsorryaboutthenewsthathefailedinthegame.下面几点是学习名词从句要加以注意的：1．whether和if都可以引导宾语从句表达“是否”意，（即引导宾语从句时if和w

2、hether可以互换）但以下几种名词从句要用whether（不用if）引导：（1）引导主语从句，且在句首时。例：Whetherhehaswonthetennisisnotknown.(但Itisnotknownwhether/ifhehaswonthetennis).（2）引导表语从句时。例Theproblemiswhetherhecangetajob.（3）引导同位语从句时。例：Ihavenoideawhetherhewillcome.（4）介词后的whether从句。例：IworryaboutwhetherIhurtherfee

3、lings.2．位于句首引导主语从句的that不可忘。例如：Thathegotthefirstplaceinthecompetitionsurprisedallofus.3．在“Itissuggested/proposed/ordered/apity/nowonder/necessary/strange/…＋that从句”结构中，that从句谓语有时用（should）do这样的虚拟语气形式。例如：Itissuggestedthatwe(should)improvetherelationsbetweenus.Itisapitythat

4、one(should)stayinoneplaceallone´slife.Itisstrangethatsheshouldhavefailedtoseeherownshortcomings（缺点）.4．在“Thereasonwhy…isthat…”句式中that不要误为because.例如：Thereasonwhyhedidn´tgotoschoolyesterdayisthathewasill.5．名词从句中that,what用法比较：引导名词从句的that是连词，在句中无成份，无意义，而what是连接代词，what＝theth

5、ing(s)that.例如：Itwastoldinyesterday´snewspaperthatwhatthestudentshaddonewaspraisedbythefactory.Iknowthathewillstudy.Iknowwhathewillstudy.Thatheworkshardathislessonsisknowntousall.Whatheworkshardatisknowntousall.AllIaskisthatyoushouldtellthetruth./Heisnotwhat(＝thepersont

6、hat)heusedtobe.他和以前大不相同了。6．where在名词从句中的使用特点：where在名词从句中有时可以变为“theplacewhere”,有时可以变为“介词＋theplacewhere”形式。例如：主从：Where(＝Theplacewhere)shehasgoneisstillunknown.宾从：Wouldyoupleasetellmewhere(＝theplacewhere)MrSmithlives?表从：Yourdictionaryremainswhere(＝in/attheplacewhere)youput

7、.同位从：Haveyouanyideawhere(＝oftheplacewhere)sheisspendingherholidays?7．无论是哪种名词从句都是陈述语序。例如：Iknowwherehelives./Pleasetellmewhathernameis.当一个特殊疑问句本身就是陈述语序（即“主＋谓＋（宾）”或“主＋系＋表”结构），将其变为间接引语（即宾语从句）时，无需改变语序。例如：What´sthematterwithhim?Sheaskedmewhatwasthematterwithhim.Wholooksafter

8、yourgrandfather?Heaskedmewholookedaftermygrandfather.定语从句一、定语从句与引导词定语从句是在复合句中修饰某一名词或代词的从句。被修饰的名词或代词叫做选行词，而引导定语从句的词叫引导