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英语语法:同位语从句实用2篇

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英语语法:同位语从句的用法1

同位语从句一般用that, whether,what, which, who, when, where, why, how 等词引导,常放在fact, news, idea, truth, hope, problem, information, wish,promise, answer, evidence, report, explanation, suggestion, conclusion等抽象名词后面,说明该名词的具体内容。换言之,同位语从句和所修饰的名词在内容上为同一关系,对其内容作进一步说明。

例:The news that they had won the game soon spread over the whole school.

他们比赛获胜的消息很快传遍了整个学校。

析:they had won the game说明The news的全部内容,因此该句为同位语从句。

英语语法:同位语从句的用法2

功能例词从属 连词只起连接作用,不充当从句中的任何成分。that, whether连接 代词既起连接作用,又在从句中担任成分(主语、宾语、表语或定语)。who, what ,whose, which连接 副词既起连接作用,又在从句中担任成分(状语)。when, where, why, how复合代词 & 复合副词既起连接作用,又在从句中担任成分(主语、宾语、表语或定语、状语)。whoever, whatever, whichever, whenever, wherever, however

1、如同位语从句意义完整,应用that引导同位语从句。(即that 不充当任何成分,只起连接作用,不可省略)

例:The general gave the order that the soldiers should cross the river at once.

将军下达了战士们立即过河的命令。

析:the soldiers should cross the river at once是the order的全部内容,且意义完整,因此应用that引导同位语从句。

2、如同位语从句意义不完整,需增加"是否"的含义,应用whether引导同位语从句。(if不能引导同位语从句)

例:We'll discuss the problem whether the sports meeting will be held on time.

我们将讨论运动会是否会如期举行的问题。

析:the sports meeting will be held on time意义不完整,应加"是否"的`含义才能表达the problem的全部内容,因此应用whether引导同位语从句。

3、如同位语从句意义不完整,需增加"什么时候"、"什么地点"、"什么方式"等含义,应用when, where, how等词引导同位语从句。

例1:I have no idea when he will be back.

析:he will be back意义不完整,应加"什么时候"的含义才能表达idea的全部内容,因此应用when引导同位语从句。

例2:I have no impression how he went home, perhaps by bike.

析:he went home意义不完整,应加"如何"的含义才能表达impression的全部内容,因此应用how引导同位语从句。

4、当主句的谓语较短,而同位语从句较长时,同位语从句常后置。

如:The thought came to him that maybe the enemy had fled the city.

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