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标题: 求教OG12-4 [打印本页]

作者: gmatmba 时间: 2010-7-1 07:06 标题: 求教OG12-4

Of all the vast tides of migration that have swept through history, maybe none is more concentrated as the wave that brought 12 million immigrants onto American shores in little more than three decades.

A.maybe none is more concentrated as

E.perhaps none was more concentrated than (E)

OG上给的解释 "the verb used in the comparative construction must be past tense,x(none) was more concentrated than y(the wave)".这里我不明白，既然该句所述的历史时间是一个既定的事实，为什么不能用现在时表示一个不变的真理和事实呢？
求教各位大牛，谢谢

作者: xiaolingdang 时间: 2010-7-2 06:39

从前面看：Of all the vast tides of migration that have swept through history
从后面看：the wave that brought 12 million....

都应该用过去时。

作者: gmatmba 时间: 2010-7-2 21:03

我的意思是，虽然文中出现了过去事态的标志，但是“大概没有一个比在三十年内移了12million移民的那一次（移民潮）更集中”这是一个历史事实，所以阐述这个事实时能不能有现在时呢？
还是只要出现了向ls说的那些过去事态的标志词，就应该用过去时？

作者: YINDAPENG 时间: 2010-7-3 09:57

我觉得这题应该考虑Of all the vast tides of migration that have swept through history，这个have swept说明这些migration waves都是过去发生过了，所以比较它们应该是过去式。

客观真理用现在式，一般都用标志性的词语，如statisitic show，theory,或者阐述一个物理定律的时候吧。这个只是说明一个单独的历史事实，不是一个普遍存在的，万古不变的现象，理论，定律。

个人意见，欢迎拍砖

作者: victoria820 时间: 2010-7-4 10:38

Of all the vast tides of migration that have swept through history, maybe none is more concentrated as the wave that brought 12 million immigrants onto American shores in little more than three decades.

B. it may be that none is more concertrated as
B的错误有"more..as.."，有"it may be that none is" too wordy

但因为该题OG强调主句的2个比较句应为相同的过去式语态，因此B是不是还有一个"none is"的错误？应该改为"none was"？
OG没有指出这个错误。我不知道这里的none is究竟是对还是错？

作者: huarenhong 时间: 2010-7-5 06:35

Of all the vast tides of migration that have swept through history, maybe none is more concentrated ...
victoria820 发表于 2010-7-4 10:38

这里的none is是从句，主句的时态是may be，所以不能换成was

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