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标题: prep2-35形式主语 [打印本页]

作者: rainbowmanutd    时间: 2011-8-28 03:48
标题: prep2-35形式主语
Unlike the steamlocomotive, which required an hour or two of firing up before it waspossible to move under its own power, nearly full power could be summonedalmost instantly from the cold engine of a diesel locomotive.

(A) it waspossible to move under its own power, nearly full power could be summonedalmost instantly from the cold engine of a diesel locomotive
(B) it waspossible to move under its own power, the diesel locomotive's engine, whencold, could produce nearly full power almost instantly
(C) it couldmove under its own power, the diesel locomotive could summon nearly full powerfrom a cold engine almost instantly
(D) moving underits own power, the cold engine of the diesel locomotive could produce nearlyfull power almost instantly
(E) moving under itsown power, almost instantly a diesel locomotive could summon nearly full powerfrom a cold engine

选C,我想问一下形式主语的问题,A里的 it was possible to move 里的it 解释说是形式主语,理解为代词不行吗?正好指代的是locomotive阿。
怎么分辩是不是形式主语呢?
作者: rainbowmanutd    时间: 2011-9-1 09:28
顶下
作者: one1day    时间: 2011-9-1 09:41
这道题里面没有形式主语。ABC里面的it都是指代 the steamlocomotive。

说一些我对形式主语的理解,希望对你有帮助。
首先,从语法上将,形式主语的产生,是因为真正的主语太长。
其次,形式主语结构,是特定的结构,如:
it's important that......
it's impossible that.....
it's hard to say that....
主语都是that之后的那个长句子,完整句。
也就是说,一个形式主语结构的句子,在意思上其实是个倒装,形式上不是,但意思上是,也就是说,能够正的回来,如上例:
....is important.
....=it,这就是所谓的形式主语,it相当于一个很长很长的完整句。
it很长,但不一定仅限于完整句,to do长结构也经常出现,如:
it's important for me to..., to...,and to.......

考点:
it的前面有单数名词,前面的句子不是完整句,那它是指代。
it后面有长结构,它有可能是形式主语,要看结构,是否符合形式主语结构,以及能否正的回来。
it在中间,前面有单数名词,后面有长结构,指代模糊看选项,里面去掉it换成某个n的就是答案
作者: rainbowmanutd    时间: 2011-9-3 12:26
这道题里面没有形式主语。ABC里面的it都是指代 the steamlocomotive。

说一些我对形式主语的理解,希望对你有帮助。
首先,从语法上将,形式主语的产生,是因为真正的主语太长。
其次,形式主语结构,是特定的结构,如:
it's important that......
it's impossible that.....
it's hard to say that....
主语都是that之后的那个长句子,完整句。
也就是说,一个形式主语结构的句子,在意思上其实是个倒装,形式上不是,但意思上是,也就是说,能够正的回来,如上例:
....is important.
....=it,这就是所谓的形式主语,it相当于一个很长很长的完整句。
it很长,但不一定仅限于完整句,to do长结构也经常出现,如:
it's important for me to..., to...,and to.......

考点:
it的前面有单数名词,前面的句子不是完整句,那它是指代。
it后面有长结构,它有可能是形式主语,要看结构,是否符合形式主语结构,以及能否正的回来。
it在中间,前面有单数名词,后面有长结构,指代模糊看选项,里面去掉it换成某个n的就是答案
-- by 会员 one1day (2011/9/1 9:41:40)

谢谢,那prep的解释错了么。。解释说是形式主语。。




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