1. 定义:用作主语的从句叫做主语从句.
2. 构成:关联词+简单句
3. 引导主语从句的关联词有三类:
(1) 从属连词that.如:That they were in truth sisters was clear from the facial resemblance between them.
很明显,她们确是亲姐妹,她们的脸型很相似.
(2) 从属连词whether.如:
Whether he’ll come here isn’t clear.他是否会来这里还不清楚.
(3) 连接代词who,whom,whose,what,which,whoever,whatever,whichever
连接副词 where,when,how,why.如:
What she did is not yet known.她干了什么尚不清楚.
How this happened is not clear to anyone.这事怎样发生的,谁也不清楚.
Whoever comes is welcome.不论谁来都欢迎.
Wherever you are is my home ---- my only home.你所在的任何地方就是我的家----我唯一的家.
1. 定义:用作同位语的从句叫做同位语从句.
2. 用法:同位语从句的先行词多为fact,news,idea,thought,question,reply,report,remark等,关联词多用从属连词that.如:
They were all very much worried over the fact that you were sick.
对你生病这件事,他们都很焦虑.
Where did you get the idea that I could not come?
你在哪儿听说我不能来?
Early in the day came the news that Germany had declared war on Russia.
德国已对俄国宣战的消息一大早就传来了.
注:同位语从句偶尔由从属连词whether引导.如:
I have no idea whether he’ll come or not.我不知道他是否来.
连接代词who,which,what和连接副词where,when,why,how亦可引导同位语从句.
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