[资料分享] 0910AW SPECTACULAR 之【SU & SY SO】第六期——从句 [复制链接]

cicialice
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发表于 2009-11-17 12:42:36 |显示全部楼层

cicialice学习笔记

名词性从句
宾语从句后如有宾补，要用形式宾语it来代替，而把宾语从句移至宾补之后。
He has made it clear that he would not change his mind.

在think, believe, suppose, expect等动词后的宾语从句中，如果谓语是否定的，一般将否定词移至主句谓语上，宾语从句则变成肯定形式。
He didn't think that the money was well spent.

表语从句出现在结构为“主语+系动词+表语从句”的句子中。表语从句除可用that, what, when, why, whether, how等引导外，还可由because, as if(though)等引导。that常可省略。如主句主语为reason,只能用that引导表语从句，不可用because.
The reason why so many people died there is that there were not enough food supplies.
It looks as if successful international cultural communication will make the world smaller.

用it作形式主语的that-从句有以下四种不同的搭配关系：

　　　 a. It + be +形容词+ that-从句
　　　　　It is necessary that…　　有必要……
　　　　　It is important that…　　重要的是……
　　　　　It is obvious that…　　很明显……　　

　　　 b. It + be + -ed 分词+ that-从句
　　　　　It is believed that…　　　　　人们相信……
　　　　　It is known to all that…　　　从所周知……
　　　　　It has been decided that…　　已决定……

　　　 c. It + be +名词+ that-从句
　　　　　It is common knowledge that…　 ……是常识
　　　　　It is a surprise that…　　令人惊奇的是……
　　　　　It is a fact that…　　　　事实是……

　　　 d. It +不及物动词+ that-分句
　　　　　It appears that…　　　　　　似乎……
　　　　　It happens that…　　　　　　碰巧……
　　　　　It occurred to me that…　　我突然想起……

形容词性从句
当先行词是all, anything, everything, something, nothing等不定代词或先行词前有first, last, any, few, much, some, no, only以及形容词最高级修饰时，只能用关系代词that引导从句。

引导定语从句的关系副词有when,where,why等。关系副词在从句中作状语，意义上相当于一个“介词+which”的结构。
Even in comic books where(=in which) there are no words,the stories are fully expressed through the drawings.
No one knows the reason why(=for which) he was so angry that day.
非限制性定语从句非限制性定语从句既可修饰先行词，也可修饰整个主句，起补充说明作用，与主句之间有逗号隔开，若省去，原句意思不受影响。不可用that引导非限制性定语从句。关系词不可省略。

*“介词+which\whom\whose”引导的定语从句（这简直是北美范文里面最爱用到的句子结构！学习之学习之……）
“介词+which\whom\whose”可引导限制性定语从句，也可引导非限制性定语从句，该结构中介词的选择取决于从句谓语动词的固定搭配，或先行词的习惯搭配。
This is the computer on which he spent all his savings
It is written by a person with whom we are all familiar.

as引导的定语从句

as引导的定语从句主要用于“such...as”及“the same...as”的结构中，代替先行词是人或物的名词。as引导非限制性定语从句时，代替整个主句，从句可位于主句之前、之后或中间。
These are not such problems as can be easily solved.(as代替先行词problems)
As is mentioned above,no single company or group can control what happens on the Internet.(as代替主语)

副词性从句（即状语从句）
as soon as, hardly(scarcely)...when, no sooner...than, each(every) time, the moment, immediately(that)等。

原因状语从句引导原因状语从句的从属连词有：because, as, since, now(that),seeing that, considering that, in that等。
Considering that he is a freshman, we must say he is doing well.

if 引导的条件句有真实条件句和非真实条件句两种。非真实条件句已在虚拟语气中阐述。
unless = if not.　
　 Let's go out for a walk unless you are too tired.
　 If you are not too tied, let's go out for a walk.

though, even if等引导状语从句可转换成含有as的部分倒装结构，具有强调意义。其结构为“形容词（副词、动词、名词）+as+主语+谓语”。
No matter what you may say,I would not change my mind.
Young as he is,he is quite experienced in this work.(=though he is young)
Child as he is,he can speak English fluently.(=though he is a child)

当有though, although时，后面的从句不能有but，但是 though 和yet可连用
Though the sore be healed, yet a scar may remain.
伤口虽愈合，但伤疤留下了。

注意：no matter 不能引导主语从句和宾语从句。
　（错）No matter what you say is of no use now.
　（对）Whatever you say is of no use now.
　　　你现在说什么也没用了。(Whatever you say是主语从句)
　（错）Prisoners have to eat no matter what they're given,
　（对）Prisoners have to eat whatever they're given.　囚犯们只能给什么吃什么。方式状语

Alice~管他过去过不去的~！

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