名词性从句_语法讲解
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Why he comes here is not known. 1.为什么有时侯用that, whether,有时侯用连接代词 , 或 着有时候用连接副词? 2.它的语序有没有变化?
2.总结:
1).主语从句一律用陈述句语序,即主语在前,谓 语在后. When will he come is not known. 错误
单个的主语从句作主语时，谓 语动词用单数形式。如果是两 个或两个以上的主语从句作主 语，谓语动词则用复数形式。
Where and when he was born has not been found. When the person was murdered and why he was murdered are still unknown.
When he will come is not known.
但是 what is the matter 和 what is wrong 不可 改变语序 2).连接词that在从句中无实际意义,起引导作用, 不作任何成分,但不能省略. He will not come to the meeting this evening is true.
错误 That he will not come to the meeting this evening is true.
3).whether可以引导主语从句 解释为”是否”,但if不能.
4).whoever, whatever, whichever等词可以引导主 语从句, 但no matter who, no matter what 等不能, 它们只能引导让步状语从句.
1. ____ we can't get seems better than ____ we
Will we visit the Great Wall tomorrow? It has not been decided.
Whether we will visit the Great Wall has not been decided.
It has not been decided whether we will visit the Great Wall .
I 名词性从句的种类
• 1.When we will start is not clear.
主语从句
• 2.Mrs Black won’t believe that her son has
become a thief.
宾语从句
• 3. My idea is that we should do it right
now.
表语从句
百度文库
• 4.I had no idea that you were her friend.
同位语从句
什么是名词性从句?
在英语的句子结构中，本来该由名词充当的主语、宾 语、表语和同位语，由一个句子来充当,这个句子就叫 名词性从句。
主语从句 ( The Subject Clause)
名
词 宾语从句 ( The Object Clause) 性
注意:在主语从句中用来表示惊奇、不 相信、惋惜、理应如此等语气时，谓 语动词要用虚拟语气 “ should +do”， 常用的句型有：
It is necessary \ essential that…. It’s important that…. It’s natural that…. It's strange that …
2).连接代词: who, whom, whose, what, which, whoever, whatever, whichever
Whose bag is it ?
It can`t be told. Whose bag it is can`t be told.
It can`t be told whose bag it is .
5).为避免主语冗长,句子头重脚轻,经常用it作形式主语, 主语从句放在后面作真正的主语.
例: It is well known/reported/thought/said/… that… It is clear/necessary/certain/true/doubtful/… that… It is a pity/a shame/an honour/… that… It doesn’t matter whether…/ It seems that… It happens that…
从 句
表语从句 ( The Predicative Clause)
同位语从句 ( The Appositive Clause)
主语从句
在复合句中作主句的主语. 引导词有连词that (that 不可省略), whether; 连接代词有who, what ,which; 连接副词 when ,where, how, why 等.如:
1).连接词: that, whether He is a famous singer.
It is known to us. 1.That he is a famous singer is known to us. (It is known to us that he is a famous singer.)
When will we start tomorrow?
It will be told soon.
When we will start tomorrow will be told soon.
我们将怎样制定计划已经被老师解释清楚了.
How we will make the plan has been explained clearly by the teacher. 为什么他来这里还是不被人所知道.
What does he need? It is money. What he needs is money. 无论你刚才说什么都是对的.
Whatever you said is all right.
3).连接副词: when, where, why, how, how many, how much ,how long, how soon, how often
2.总结:
1).主语从句一律用陈述句语序,即主语在前,谓 语在后. When will he come is not known. 错误
单个的主语从句作主语时，谓 语动词用单数形式。如果是两 个或两个以上的主语从句作主 语，谓语动词则用复数形式。
Where and when he was born has not been found. When the person was murdered and why he was murdered are still unknown.
When he will come is not known.
但是 what is the matter 和 what is wrong 不可 改变语序 2).连接词that在从句中无实际意义,起引导作用, 不作任何成分,但不能省略. He will not come to the meeting this evening is true.
错误 That he will not come to the meeting this evening is true.
3).whether可以引导主语从句 解释为”是否”,但if不能.
4).whoever, whatever, whichever等词可以引导主 语从句, 但no matter who, no matter what 等不能, 它们只能引导让步状语从句.
1. ____ we can't get seems better than ____ we
Will we visit the Great Wall tomorrow? It has not been decided.
Whether we will visit the Great Wall has not been decided.
It has not been decided whether we will visit the Great Wall .
I 名词性从句的种类
• 1.When we will start is not clear.
主语从句
• 2.Mrs Black won’t believe that her son has
become a thief.
宾语从句
• 3. My idea is that we should do it right
now.
表语从句
百度文库
• 4.I had no idea that you were her friend.
同位语从句
什么是名词性从句?
在英语的句子结构中，本来该由名词充当的主语、宾 语、表语和同位语，由一个句子来充当,这个句子就叫 名词性从句。
主语从句 ( The Subject Clause)
名
词 宾语从句 ( The Object Clause) 性
注意:在主语从句中用来表示惊奇、不 相信、惋惜、理应如此等语气时，谓 语动词要用虚拟语气 “ should +do”， 常用的句型有：
It is necessary \ essential that…. It’s important that…. It’s natural that…. It's strange that …
2).连接代词: who, whom, whose, what, which, whoever, whatever, whichever
Whose bag is it ?
It can`t be told. Whose bag it is can`t be told.
It can`t be told whose bag it is .
5).为避免主语冗长,句子头重脚轻,经常用it作形式主语, 主语从句放在后面作真正的主语.
例: It is well known/reported/thought/said/… that… It is clear/necessary/certain/true/doubtful/… that… It is a pity/a shame/an honour/… that… It doesn’t matter whether…/ It seems that… It happens that…
从 句
表语从句 ( The Predicative Clause)
同位语从句 ( The Appositive Clause)
主语从句
在复合句中作主句的主语. 引导词有连词that (that 不可省略), whether; 连接代词有who, what ,which; 连接副词 when ,where, how, why 等.如:
1).连接词: that, whether He is a famous singer.
It is known to us. 1.That he is a famous singer is known to us. (It is known to us that he is a famous singer.)
When will we start tomorrow?
It will be told soon.
When we will start tomorrow will be told soon.
我们将怎样制定计划已经被老师解释清楚了.
How we will make the plan has been explained clearly by the teacher. 为什么他来这里还是不被人所知道.
What does he need? It is money. What he needs is money. 无论你刚才说什么都是对的.
Whatever you said is all right.
3).连接副词: when, where, why, how, how many, how much ,how long, how soon, how often