名词性从句的语法结构与用法 名词性从句是在句中充当名词的从句,它可以充当主语、宾语、表语或同位语。名词性从句在句子中起着非常重要的作用,掌握其语法结构和用法十分必要。 一、主语从句 主语从句是指充当主语的名词性从句。常见的引导主语从句的词有: 1. 从属连词that:That he is innocent is beyond doubt.(他的清白是毋庸置疑的) 2. 连接代词what:What she said is true.(她说的是真的) 3. 连接副词whether:Whether he can pass the exam remains to be seen.(他能否通过考试还有待观察) 4. 连接副词if:If it rains tomorrow, we will stay at home.(如果明天下雨,我们会呆在家里) 二、宾语从句 宾语从句是指充当动词或介词宾语的名词性从句。常见的引导宾语从句的词有: 1. 从属连词that:We know that he is a good student.(我们知道他是个好学生) 2. 连接代词what:She doesn't understand what you mean.(她不明白你的意思) 3. 连接代词who/whom:I will tell them who is responsible for this.(我会告诉他们谁对此负责) 4. 连接副词when:I can't remember when I met him.(我记不得我什么时候见过他) 三、表语从句 表语从句是指充当表语的名词性从句。常见的引导表语从句的词有: 1. 从属连词that:His biggest dream is that he can travel around the world.(他最大的梦想是能环游世界) 2. 连接代词what:The important thing is what you do, not what you say.(重要的是你做什么,而不是你说什么) 3. 连接代词who/whom:The question is who will take over his position.(问题是谁会接任他的职位) 四、同位语从句 同位语从句是指与一个名词或代词作同位关系的名词性从句。常见的引导同位语从句的词有: 1. 从属连词that:His belief is that honesty is the best policy.(他的信念是诚实是最好的策略) 本文来源:https://www.wddqw.com/doc/8707f6e07b3e0912a21614791711cc7931b778e3.html