（顺序选修）英语6二年级《Theme B Interpersonal Relationships Learning to Live Unit 3 Seeking Advice Grammar》优秀pp

（顺序选修）英语6二年级《Theme B Interpersonal Relationships Learning to Live Unit 3 Seeking Advice Grammar》优秀ppt课件

3. It is suggested that we should take action to protect the cultural relics .

4.The fact that she works hard is well known to us all.

5.Who will be our headmaster hasn't been decided yet.

一、名词性从句

1、定义：名词性从句指的是在主句

中起的作用相当于名词的从句。

2、种类：主语从句、宾语从句、表

语从句和同位语从句。

3、引导名词性从句的连接词：

1）从属连词that本身无意义，仅起引导作用，在从句中不充当成分；

2）从属连词whether/if，意为是否，仅起引导作用，在从句中不充当成分；

3）连接代词what, which, who, whom, whose, whatever, whichever, whoever等,有意义，既是连接词，又在从句中充当主语、宾语、定语、表语等成分；

4）连接副词when, whenever，where, why, how 等，有意义，既是连接词，又在从句中充当状语。

二、主语从句

主语从句一般放在句首，但有时也可用it作形式

主语，而将主语从句移到句子的末尾。常见的句

型：

1、It＋be＋形容词(necessary/ likely/ important/ uncertain 等)＋that从句

It is uncertain what side effect the medicine will bring about.

2、It＋be＋名词(短语)(a pity / a shame / no wonder / no surprise等)＋that从句

It's no surprise that our team has won the game.

3、It＋be＋过去分词(said/ reported/ decided / believed等)＋that从句

It is decided that the meeting will be put off till next Monday.

4、It＋不及物动词(seem, appear, happen等)＋that从句

It happened to me that I had been away when he called.