内容正文:
名词性从句
【知识梳理1】基本概念
一)名词性从句的基本定义和判断方法
在句子中起名词作用的句子叫名词性从句 (Noun Clauses)。根据它在句中不同的语法功能,名词性从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。
主语从句 Whether he will attend our English Party tomorrow remains unknown.
宾语从句 Tom gave me what he thinks is most suitable for me.
名词性从句 表语从句 The most important thing for us now is how we can get there on time.
同位语从句There is little evidence that the seriously injured girl will completely recover.
二)引导名词性从句的连接词
1.引导名词性从句的连接词可分为三类:
(1)从属连词:that(无任何词意);whether, if(均表示“是否”);as if ,as though(均表示“好像”,“似乎”)because以上连词在从句中均不充当任何成分
(2)连接代词:what, whatever, who, whoever, whom, whose, whichever, whomever,可在从句中充当主语、宾语、表语或者定语成分
(3)连接副词:when, whenever, where, wherever, how, however, why, how many, how much, how often, 此类关系词可在句中充当状语成分。
四种名词性从句的引导词大同小异,基本在从属连词上有所不同。
2. 连接词的判定:根据连接词在从句中所做的不同的成分,我们可以归纳如下:
人 物
主语 : who, whoever what, whate