高三英语第一轮复习教案语法：名词性从句

根据句子的结构可分为：① 简单句——一主一谓

②并列句——由等立连词and, but, so, for把两个（以上）的简单句连在一起构成。

③复合句——一个主句+从句（一个或以上）构成。

定义

根据从句在复合句中的作用，分为名词性从句、定语从句和状语从句。

名词性从句包括主语从句、表语从句、宾语从句、同位语从句。

总述

1.主语从句——在句中作主语，可用it作形式主语

e.g. What you said sounds reasonable.

It is well known/reported/thought/said/… that…

It is natural/surprising/necessary/certain/true/clear… that…

It is a pity/a shame/an honour/no surprise/no wonder… that…

It doesn’t matter whether…

It seems\appears that… It happens that…碰巧

2. 表语从句-----位于系动词之后,表语从句还可用as if/as though/because/why引导

e.g. The question is who can complete the difficult task.

３．同位语从句-----跟在名词后面，进一步说明该名词的具体内容。名词主要有：fact, news（word）, promise, idea, truth, thought, suggestion, hope, proposal, doubt等。一般用that引导，不省略，不用which..也可用whether (不用if), who, what, which, when, where, how , why

e.g. The news that our team has won the match is true.

4．宾语从句

1）作及物动词或介词的宾语（it可作形式宾语；注意whether和if区别）

2)直接引语和间接引语

I doubt whether\if he will keep his word. I don’t doubt that our team will win.