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高中英语2026届高考语法复习名词性从句知识详解

马老师2025-08-09 00:05:19试题汇
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《高中英语2026届高考语法复习名词性从句知识详解》,以下展示关于《高中英语2026届高考语法复习名词性从句知识详解》的相关内容节选,更多内容请多关注我们网站

1、高考英语语法复习名词性从句知识详解一、名词性从句的连接词名词性从句的连接词是构建从句的基础,需根据从句的语义和语法需求选择,主要分为三类:1.连接代词这类词在从句中充当主语、宾语、表语或定语,本身具有具体意义,包括:who(谁,主格)、whom(谁,宾格)、whose(谁的,所有格)、what(什么;的事物/人)、which(哪一个/些,有选择范围)。例1:Who will lead the team remains a question.(who在主语从句中作主语,表“谁”)例2:She asked whom we should invite to the party.(whom在宾语从句中

2、作invite的宾语,表“谁”)例3:I cant remember whose umbrella this is.(whose在宾语从句中作定语,表“谁的”)例4:What he said at the meeting surprised everyone.(what在主语从句中作said的宾语,表“的话”)例5:He didnt tell me which book he had borrowed.(which在宾语从句中作定语,表“哪一本”,隐含范围)辨析:what与which的区别在于,what无范围限制,表“泛指的事物”;which有明确范围,表“特定范围内的选择”。2.连接副词这类

3、词在从句中作状语,表时间、地点、原因、方式等,包括:when(何时)、where(何地)、why(为何)、how(如何;多么)。例1:No one knows when the project will start.(when在宾语从句中作时间状语)例2:The problem is where we can find enough water.(where在表语从句中作地点状语)例3:She explained why she was absent from the meeting.(why在宾语从句中作原因状语)例4:I wonder how he solved the difficult

4、 problem.(how在宾语从句中作方式状语)注意:how可与形容词/副词搭配,表“多么”,如:Its amazing how fast he runs.(how修饰fast,表程度)3.从属连词这类词仅起连接作用,在从句中不充当任何成分,无实际意义,包括:that(无意义)、if(是否)、whether(是否)。例1:He said that he would visit his grandparents.(that仅连接宾语从句,不表意义)例2:I dont know if/whether she will accept the invitation.(if/whether表“是否”,

5、连接宾语从句)辨析:if与whether的用法差异是高频考点:引导宾语从句时,两者可互换,但if不能与or not直接连用(whether可接or not);引导主语从句、表语从句、同位语从句或介词后的宾语从句时,只能用whether;句首引导主语从句时,只能用whether。例:Whether he will come or not is still a mystery.(主语从句+or not,用whether)例:Were talking about whether we should change the plan.(介词about后,用whether)二、名词性从句的具体用法名词性从

6、句的核心是“在句中作名词成分”,不同从句的功能决定了其在句中的位置和搭配。1.主语从句:在句中作主语主语从句是整个句子的主语,可直接位于句首,也可因从句过长用it作形式主语,将真正的主语从句后置(更符合英语表达习惯)。直接作主语:What we need is more time and effort.(what引导的从句直接作主语,谓语动词用单数)Whether the plan will work depends on practice.(whether引导的从句作主语,谓语用单数)形式主语it代替主语从句:常见句式:It + be + 形容词/名词/过去分词 + 主语从句。It is obvious that he is lying.(形容词obvious后接主语从句)It is a pity that you missed the lecture.(名词pity后接主语从句)It is report

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