高中英语语法 名词性从句详解ppt课件.ppt

NominalClause名词型从句名词性从句(NominalClauses)1、主语从句(subjectclauses)2、宾语从句(objectclauses)3、表语从句(predicativeclauses)4、同位语从句(appositiveclauses)hefollowingclausesThatshebecameapoetmayhavebeenduetohermother’?(subjectclause)主语从句指用作主语的从句。可以由连词that,wh-,whether引导,陈述事实(a.)从句位于句首Thathehasfinishedthetaskisafact.(b.)先行词it作形式主语,:(1)主语从句位于句首时须用whether,不用ifWhethershelikesthepresentisnotcleartome.(right)Itisnotcleartomeifshelikesthepresent.(right)(2)在Itissaid,(reported)…结构中的主语从句不可提前。例如:ItissaidthatPresidentHuwillvisitourschoolnextweek.(right)ThatPresidentHuwillvisitourschoolnextweekissaid.(wrong),whatever,:what与that在引导主语从句时的区别:What引导主语从句时,在从句中充当句子的一个成分,而that则不然。如:1))-疑问词引导Whenwillweholdthemeeting?Ithasn’tbeendecided.(hesetwosentencesintoasubjectclause.)Whenwewillholdthemeetinghasn’:Ithasn’:从句的语序用陈述句的语序。Exercise:’(ObjectClause)宾语从句指用作宾语的从句。宾语从句可以由连词that,whether,wh-:it可以作为形式宾语,而真正的宾语从句则放在句尾,特别是在带复合宾语的句子中。例如: