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关于比较,真心不懂!!请nn来赐教~~~~

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21#
 楼主| 发表于 2011-12-6 14:45:53 | 只看该作者
其实是虚拟语气,比较的是现在知道的和假设知道情况,打个gmat考试的比方,I WOULD like to score 800 in gmat than I SCORED last time when I took the test in June. 比较的就是我至此希望(虚拟状态)考试成绩能到800,对上次我的考试成绩。
-- by 会员 marksze (2011/11/20 20:11:07)







我明白是虚拟,就是不知道到底比较的是什么成分。到底是时间状语的比较,还是主语的比较。。。
好多类似的题

34: GWD-18-Q31
Between 1990 and 2000 the global economy grew more than it did during the 10,000 years from the beginning of agriculture to 1950.
比如这句,这个划线的是对的。就是到底是时间上在比较,还是global economy自身不同时期的比较(即主语比较)。。。
-- by 会员 多事之猫 (2011/11/20 20:21:22)






再加一点,就是比较对象是什么成分
-- by 会员 多事之猫 (2011/11/20 20:22:51)




我觉得是经济自身在和自身比较,GMAT中,好像Between 1990 and 2000这种的放在开头,后面就一定要重复it did,但是如果The global economy grew more between 1990 and 2000 than between 1880 and 1990就用不用重复(这句子可能有点不太对,反正就是介词短语是在than前后的那种)。大全里有两道题都是这样的,我也不知道为什么。
-- by 会员 许楚iris (2011/12/6 10:20:59)




是不是形式上要对称呀??如果像more between...than between...取决于more than的位置吧。。如果是放在前面,就是the economy grew more than it did.

就像是more than左右都要特别平行才行。。
-- by 会员 多事之猫 (2011/12/6 11:40:59)


我觉得是这样的……我也一直特纠结一些比较的问题,有的可以都省,但又的就要补出……我前几天把大全的那些比较题都拿出来看,发现真的,想死……考点是判断比较对象的还好点,考点如果是省略补出这弄得我头都大了,后来决定give up了
-- by 会员 许楚iris (2011/12/6 12:23:05)


我也是真心觉得比较最难!其他都还好。。。
22#
发表于 2011-12-6 16:46:09 | 只看该作者
GWD1-Q32:

To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.



A.have to know a great deal more than now about the social and economic



B.have to know a great deal more than they do now about the social and economical



C.would have to know a great deal more than they do now about the social and economical



D.would have to know a great deal more than they do now about the social and economic



E.would have to know a great deal more than now about the social and economical
比如这道题,OG里也有,比较对象到底是什么???
还有什么叫状语比较?能举个例子么?



-- by 会员 多事之猫 (2011/11/20 19:58:19)

个人觉得这句话是宾语的比较,就是Know之后的部分来做比较,一般来说宾语比较是可以省略谓语动词的,但是可以不代表必须省略,原则就是不能造成歧义或者语义不清,本句没有省略,我想可能是因为前面的know (a great deal) more没有明确的名词可以让than之后完全省略主谓还能表达清晰的意思。例如,I have more books than pens. I have 就可以省略了。
本题不是状语比较,否则than now就没有问题了。


另外一道你问的题应该是状语的比较,状语比较的时候,主谓一致可以省略。
23#
 楼主| 发表于 2011-12-6 20:44:53 | 只看该作者
GWD1-Q32:

To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.



A.have to know a great deal more than now about the social and economic





B.have to know a great deal more than they do now about the social and economical





C.would have to know a great deal more than they do now about the social and economical





D.would have to know a great deal more than they do now about the social and economic





E.would have to know a great deal more than now about the social and economical
比如这道题,OG里也有,比较对象到底是什么???
还有什么叫状语比较?能举个例子么?





-- by 会员 多事之猫 (2011/11/20 19:58:19)


个人觉得这句话是宾语的比较,就是Know之后的部分来做比较,一般来说宾语比较是可以省略谓语动词的,但是可以不代表必须省略,原则就是不能造成歧义或者语义不清,本句没有省略,我想可能是因为前面的know (a great deal) more没有明确的名词可以让than之后完全省略主谓还能表达清晰的意思。例如,I have more books than pens. I have 就可以省略了。
本题不是状语比较,否则than now就没有问题了。


另外一道你问的题应该是状语的比较,状语比较的时候,主谓一致可以省略。
-- by 会员 ScentyGuy (2011/12/6 16:46:09)


OG这个题不能省,是不是因为would have to know和know不是一种时态什么的,所以不能省略??
24#
发表于 2011-12-7 09:23:51 | 只看该作者
GWD1-Q32:

To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.



A.have to know a great deal more than now about the social and economic







B.have to know a great deal more than they do now about the social and economical







C.would have to know a great deal more than they do now about the social and economical







D.would have to know a great deal more than they do now about the social and economic







E.would have to know a great deal more than now about the social and economical
比如这道题,OG里也有,比较对象到底是什么???
还有什么叫状语比较?能举个例子么?







-- by 会员 多事之猫 (2011/11/20 19:58:19)



个人觉得这句话是宾语的比较,就是Know之后的部分来做比较,一般来说宾语比较是可以省略谓语动词的,但是可以不代表必须省略,原则就是不能造成歧义或者语义不清,本句没有省略,我想可能是因为前面的know (a great deal) more没有明确的名词可以让than之后完全省略主谓还能表达清晰的意思。例如,I have more books than pens. I have 就可以省略了。
本题不是状语比较,否则than now就没有问题了。


另外一道你问的题应该是状语的比较,状语比较的时候,主谓一致可以省略。
-- by 会员 ScentyGuy (2011/12/6 16:46:09)



OG这个题不能省,是不是因为would have to know和know不是一种时态什么的,所以不能省略??
-- by 会员 多事之猫 (2011/12/6 20:44:53)

是的,但也不完全是,更主要原因就是如果省了就成了a great deal more和now的比较了,但是这根本不合逻辑的,所以也得补全。
个人觉得比较这个东西吧如果只是看那些规则真是很晕的,而且是什么成分的比较要看题里面的逻辑意思和than后面的内容,因为主句不变的情况下,比较从句内容发生变化比较的成分就变了,所以一定要看句子的逻辑意思,选择的时候也要看选项当中的代词啊,动词啊是不是复合语法要求和逻辑要求。不要太拘泥与比较本身。
25#
发表于 2011-12-7 09:31:34 | 只看该作者
另外这道题我纠正下,因为我做题也很少去判断究竟是什么词性来做比较,只看比较的部分就好了,所以对这个状语啊介宾的也不是很清晰,昨儿看了下曼哈顿,发现这个是介宾的比较,反正比较的部分就是红色部分。Between 1990 and 2000 the global economy grew more than it did during the 10,000 years from the beginning of agriculture to 1950. 所以我觉得这个it did也可以省略的,当然不省略也OK。
26#
 楼主| 发表于 2011-12-7 11:12:20 | 只看该作者
另外这道题我纠正下,因为我做题也很少去判断究竟是什么词性来做比较,只看比较的部分就好了,所以对这个状语啊介宾的也不是很清晰,昨儿看了下曼哈顿,发现这个是介宾的比较,反正比较的部分就是红色部分。Between 1990 and 2000 the global economy grew more than it did during the 10,000 years from the beginning of agriculture to 1950. 所以我觉得这个it did也可以省略的,当然不省略也OK。
-- by 会员 ScentyGuy (2011/12/7 9:31:34)


哦~~不过逻辑意思还是最重要的!谢谢~~
27#
发表于 2017-2-3 16:04:07 | 只看该作者
多事之猫 发表于 2011-12-6 20:44
GWD1-Q32:To develop more accurate population forecasts, demographers have to know a great deal ...

过去好几年了,现在似乎有点晚了...
我说下我的观点:
To develop more accurate population forecasts, demographers would have to know a great deal more than they do now about the social and economic determinants of fertility.
这个毫无疑问是比较now的,补出主谓的原因是时态啊。比较中省略得一定是相同的东西,动词时态不同不可省略。这个楼主也说到了。
下一句:
Between 1990 and 2000 the global economy grew more than it did during the 10,000 years from the beginning of agriculture to 1950.
这个还是比较时间的,补出主谓的原因是句子结构不平行。
例子(BY RON):
gas prices were higher in 2007 than in 1997.
gas prices in 2007 were higher than those in 1997.
gas prices were higher in 2007 than those in 1997.
gas prices in 2007 were higher than in 1997.
前两句对,后两句不对。也就是说,平行的形式很重要,不平行不可以随便省略。
另,还有一种特殊情况就是:
than sb previously thought/usual/ever
28#
发表于 2017-2-3 16:54:31 | 只看该作者
非NN,关于比较的一点点小心得。之前也总是爱错这一类,因为比较的省略导致判断比较对象的时候容易出错。。。那就理一下不同成分的比较吧~
(参考资料来自prep08语法笔记)

对主谓宾全的句型
主语比较:  A do sth than B do.(AB为对等名词,加do是为了显示这是一个可以发出动作的名词,因而确定是主语,进而确定是主语对比)
介宾比较:  A do sth of C1 by D1 than of C2 by D2.(C1C2,D1D2对等名词)
宾语比较:  A do C1 than C2.(C1C2为对等名词)
状语比较:  A do sth than usual/everbefore/people expected(直接加状语)

按照这个原理,对下一种句型只有主谓,没有宾语的句子,因为没有宾语,只可能有主语比较,因而不需要重复do来确认这是一个可发出动作的主语,所以其比较形式如下:
I eat faster than you.注意与下句区别
I eat apple faster than you do
如果写成 I eat apple faster than you,从语法上就变成我吃苹果比吃你快,成了宾语比较。

29#
发表于 2017-3-15 21:11:52 | 只看该作者
lianhanhua 发表于 2017-2-3 16:04
过去好几年了,现在似乎有点晚了...
我说下我的观点:
To develop more accurate population forecasts,  ...

这题我有点晕 正确答案就是they would have to know a great deal more than they do now,would have to know是表过去时,那they do now和它不就时态不一致了吗?
而且A里面如果看作省略了相同成分的话:they have to know a great deal more than (they have to know) now,也是现在时和现在时比较呀?
我真的陷入到这个题的trap里了 求楼主NN解惑
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