关于伴随状语时态的prep问题～

bycsscsq · 发表于 2012-5-7 21:07:50

Neuroscientists, having amassed a wealth of knowledge over the past twenty years about the brain and its development from birth to adulthood, are now drawing solid conclusions about how the human brain grows and how babies acquire language.

A.Neuroscientists, having amassed a wealth of knowledge over the past twenty years about the brain and its development from birth to adulthood, are

B.Neuroscientists, having amassed a wealth of knowledge about the brain and its development from birth to adulthood over the past twenty years, and are

C.Neuroscientists amassing a wealth of knowledge about the brain and its development from birth to adulthood over the past twenty years, and are

D.Neuroscientists have amassed a wealth of knowledge over the past twenty years about the brain and its development from birth to adulthood,(A)

E.Neuroscientists have amassed, over the past twenty years, a wealth of knowledge about the brain and its development from birth to adulthood,
请教：e除了改变句子中心还有哪错了？？
为啥伴随状语不能修饰现在完成时？
a中的over the past twenty years告诉我们前面时态只能是现在完成时啊。。。那他咋用的是现在完成进行市？？

bycsscsq · 发表于 2012-5-7 21:24:33

没人理。。

单调唱 · 发表于 2012-5-7 21:29:06

1.e除了改变句子中心还有哪错了？？
改变句子重心，然后over the past twenty years作为插入语也不好。然后就是划线后面现在分词作伴随状语的错误了。

2.为啥伴随状语不能修饰现在完成时？
伴随状语表示动作和主句谓语同时正在发生中，而主句若为现在完成时，则动作已经完成，不存在被伴随的可能。

3.a中的over the past twenty years告诉我们前面时态只能是现在完成时啊。。。那他咋用的是现在完成进行时？？
having amassed是主语的后置定语，修饰主语的。而不是强调时态，现在完成进行时。

纯斓梦 · 发表于 2012-5-7 21:32:50

A中用的是现在完成时啊，having是作状语修饰名词的，现在完成进行时是 have+been+doing形式

bycsscsq · 发表于 2012-5-7 21:37:42

1.e除了改变句子中心还有哪错了？？
改变句子重心，然后over the past twenty years作为插入语也不好。然后就是划线后面现在分词作伴随状语的错误了。

2.为啥伴随状语不能修饰现在完成时？
伴随状语表示动作和主句谓语同时正在发生中，而主句若为现在完成时，则动作已经完成，不存在被伴随的可能。

3.a中的over the past twenty years告诉我们前面时态只能是现在完成时啊。。。那他咋用的是现在完成进行时？？
having amassed是主语的后置定语，修饰主语的。而不是强调时态，现在完成进行时。

-- by 会员单调唱 (2012/5/7 21:29:06)

Cash flows to stock and bond mutual funds have gained strength in the last two months, but fund managers have not been eager to invest the new money, instead of preferring to raise the cash levels in their portfolios at the highest level in six months.
A.have not been eager to invest the new money, instead of preferring to raise the cash levels in their portfolios at
B.have not been eager to invest the new money, instead preferring to raise the cash levels in their portfolios to
C.have not been eager at investing the new money, instead of preferring to raise the cash levels in thief portfolios to
D.were not eager to invest the new money, instead of preferring to raise the cash levels the cash levels in their portfolios at
E.were not eager at investing the new money, instead preferring to raise the cash levels in their portfolios to
谢谢！！！明白了！！！！
那这题是为啥选b？？？B明明是伴随状语修饰完成时啊。。。

bycsscsq · 发表于 2012-5-7 21:50:39

A中用的是现在完成时啊，having是作状语修饰名词的，现在完成进行时是 have+been+doing形式

-- by 会员纯斓梦 (2012/5/7 21:32:50)

谢谢～～

单调唱 · 发表于 2012-5-7 21:53:06

1.e除了改变句子中心还有哪错了？？
改变句子重心，然后over the past twenty years作为插入语也不好。然后就是划线后面现在分词作伴随状语的错误了。

2.为啥伴随状语不能修饰现在完成时？
伴随状语表示动作和主句谓语同时正在发生中，而主句若为现在完成时，则动作已经完成，不存在被伴随的可能。

3.a中的over the past twenty years告诉我们前面时态只能是现在完成时啊。。。那他咋用的是现在完成进行时？？
having amassed是主语的后置定语，修饰主语的。而不是强调时态，现在完成进行时。

-- by 会员单调唱 (2012/5/7 21:29:06)

Cash flows to stock and bond mutual funds have gained strength in the last two months, but fund managers have not been eager to invest the new money, instead of preferring to raise the cash levels in their portfolios at the highest level in six months.
A.have not been eager to invest the new money, instead of preferring to raise the cash levels in their portfolios at
B.have not been eager to invest the new money, instead preferring to raise the cash levels in their portfolios to
C.have not been eager at investing the new money, instead of preferring to raise the cash levels in thief portfolios to
D.were not eager to invest the new money, instead of preferring to raise the cash levels the cash levels in their portfolios at
E.were not eager at investing the new money, instead preferring to raise the cash levels in their portfolios to
谢谢！！！明白了！！！！
那这题是为啥选b？？？B明明是伴随状语修饰完成时啊。。。

-- by 会员 bycsscsq (2012/5/7 21:37:42)

这个现在分词在这里不是伴随状语了吧~~~he have not do sth, instead doing sth....

单调唱 · 发表于 2012-5-7 21:54:06

你还是做题少了，分析少了。多多做题，然后多多体会，才能把知识点建立成一个体系。

bycsscsq · 发表于 2012-5-7 21:56:29

你还是做题少了，分析少了。多多做题，然后多多体会，才能把知识点建立成一个体系。

-- by 会员单调唱 (2012/5/7 21:54:06)

唉。。。还真是。。。原来竞瞎做题了。。。谢谢大nnnnnnnnnnn指点！！！！！

秋晨小仔 · 发表于 2012-5-8 16:59:13

哎呀加油吖小B~呼呼~单调哥很厉害的~~

本贴相关题目 OG-2017-SC-719 | GMATPrep-2008E1-SC-188OG-2017-SC-719 |
OG-2016-SC-51 |
OG-2015-SC-25 |
OG-13-SC-25 |
OG-12-SC-21 |
GMATPrep-2008E1-SC-188
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本贴相关题目 OG-2017-SC-719 | GMATPrep-2008E1-SC-188OG-2017-SC-719 | OG-2016-SC-51 | OG-2015-SC-25 | OG-13-SC-25 | OG-12-SC-21 | GMATPrep-2008E1-SC-188 ... (XJXC)

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关于伴随状语 时态的prep问题～

所属分类: 下线版块

正在浏览此版块的会员 ()

本贴相关题目 OG-2017-SC-719 | GMATPrep-2008E1-SC-188OG-2017-SC-719 |
OG-2016-SC-51 |
OG-2015-SC-25 |
OG-13-SC-25 |
OG-12-SC-21 |
GMATPrep-2008E1-SC-188
... (XJXC)

关于伴随状语时态的prep问题～