what引导的主语从句用法以及例句 what 引导的主语从句系动词怎么用?

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what

what 引导的主语从句系动词怎么用?

引导的主语从句系动词怎么用?

what 引导的主语从句系动词用单数形式,因为主语从句当一个整体看待,例如:
What happens to the Amber Room remains a mystery.
中英语的句子中,名词做主语根据名词的数来确定谓语动词的数,但是,如果主语是主语从句,to do,doing,要当单数看待。
例如: Doing morning exercise is good for your health.

英语语法填空从句what which why使用规则?

what是用来引导主语从句的
which用来引导关系代词引导的定语从句或者非限制性定语从句
而why引导关系副词引导的限制性定语从句

what从句用法总结?

what从句是作为名词性从句,因此,在句子中可以作为主语,宾语,或者是表语。例如What you said is right. I like what you said. This is what you said.

what引导的主语从句和that引导的表语从句的句子?

what引导主语从句的时候,What在从句里做主语或宾语,主语从句是放在谓语动词之前。that引导的表语从句要放在系动词的后面。that不做成份,只起连接作用。例如,What he said really shocked us!这是what引导的一个主语从句。
The fact is that he told us a lie.这是that引导的的表语从句。

what开头的陈述句是什么语法?

从语法作用看,what引导的这个句子叫做名词性从句,因为它起的作用就相当于一个名词。  
what可充当主语,宾语,表语what主语,用陈述句语序 
例句:    
What we need is their help.(做主语)我们所需要的就是他们的帮助。    
He has got what he wants.(做宾语)他得到了他想要的(东西)。    
That is what I heard on the bus.(做表语)那就是我在公共车上听到的(故事)。    
  
What appears difficult may be very easy.(做主语)看起来很难的事情也许很容易。    
What we liked most was his jokes.(做宾语)我们最喜欢的(东西)就是他讲的笑话。    
Chinais not what she was more than 50 years ago.(做表语)中国已不是50多年前的中国了。