求问SAT语法.快要10月了,小紧张.1.Scandinavian people have been sailing the seas throughout recorded histiory,their having crisscrossed half the world by the end of the Middle Ages.为什么要改为Scandiavian people,who have been sailing t

求问SAT语法.快要10月了,小紧张.1.Scandinavian people have been sailing the seas throughout recorded histiory,their having crisscrossed half the world by the end of the Middle Ages.为什么要改为Scandiavian people,who have been sailing t
求问SAT语法.快要10月了,小紧张.
1.Scandinavian people have been sailing the seas throughout recorded histiory,their having crisscrossed half the world by the end of the Middle Ages.
为什么要改为Scandiavian people,who have been sailing the seas without recorded history,had crisscrossed half the world by the ned of the Middle Ages.
而不是Scandinavian people have been sailing the seas throught recorded history,half the world crisscrossed by the end of the Middle Ages.是因为half the world crisscrossed.是用来修饰前面recorded history?
2.Above the beautiful white-sand beach runs two rivers that eventually combine to form a waterfall cascading to the sand 上面的runs为什么是错的.
3.In the bay of fundy the rising tide produces a so powerful inward surge that it actually reverses the normal flows of several rivers.
为什么不能说成In the bay of fundy the rising tide produces an inward surge so powerful that it actually reverses the normal flows of several rivers.
4.Katarna could not be certain whether the voice she heard on the recording was her uncle or someone else who speaks with a heavy German accent
为什么用原句不对,要改成uncle's or that of someone else 我知道这样是要指代voice she heard,但是后面不是用who的吗,这里有点confuse
5.Many people agree that the full artistic potential of Jazz was first realized in recordings made by Louis Armstrong with the band known as the Hot Fire.
为什么这里的agree一定要时态一致用过去式.
6.Had I known that we would be walking the fifteen blocks from the movie theater to the restaurant,I would of worn more comfortable shoes.
这里的I would of worn more comfortable shoes.错了,所以应该怎么改?
7.Many environmentalists think that it is just as important to use existing energy sources efficiently than it is to develop pollution-free means of generating energy.
这里的than 为什么是错的
8.Spotting kim and I looking at the giant pandas,Brianna carefully maneuvered.
这里不能用I 是要用宾格吗?到底怎样区分主格宾格,我总是分不清楚.
9.Bridget worried that she might not be able to bring back many souvenirs were she to take only one suitcases on vacation.这个were she to take 是什么语法,是表示if she were to take的意思吗?为什么不能用had she took?难道是因为是had she taken.

求问SAT语法.快要10月了,小紧张.1.Scandinavian people have been sailing the seas throughout recorded histiory,their having crisscrossed half the world by the end of the Middle Ages.为什么要改为Scandiavian people,who have been sailing t
1 their having crisscrossed half the world by the end of the Middle Ages.注意前面是their having 所以这个句子是一个名词性的短语 名词性短语是不能做状语的 第一句是把它当伴随状语用的 但是用的又不对 而改成第二句那样是很顺的
你那样理解有点问题
2 这是个倒装句 真正的主语是two rivers that eventually combine to form a waterfall cascading to the sand 因为that后是定语从句 精简下就是two rivers 所以谓语动词要用run而不是runs Above the beautiful white-sand beach 是介词引导的短语放句首 所以要完全倒装
比如In the middle of the school is/lies a teaching building.一个道理
3 so + 形容词+a、an+可数名词的单数形式
=a、an+可数名词的单数形式+so + 形容词
（其中so + 形容词为后置定语,修饰a、an+可数名词的单数形式）
如 so beautiful a city=a city （which is ）so beautiful
so tall a boy=a boy （who is） so tall
所以第二句是对的 第一句你认为是对的反而是错的
4 改了之后who照样是一个定语从句 没什么问题的
5 这个要联系上下文
6 would have worn 因为前面Had I known that 是if i had known that 的变体 这里有had 所以后面would后要加have
7 这里要用as 而不是than 没有as .than这样的搭配的
8 Spotting kim and I looking at the giant pandas 这里可以理解为see sb doing sth 一个道理 这里的sb要用宾语的
9 if she were to take的变体 表示她将要带.是过去将来时 如果用had she taken或者if she had taken 的时态就是过去完成时 前面might 后也要加have了

A，half the world crisscrossed 中crisscrossed的主语是一半的世界？？？
B，that eventually combine to form a waterfall 说明已经变了那~所以不是以前的小溪鸟 还有就是是两个小溪run
C,In the bay of fundy the rising tide produces an inward s...

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A，half the world crisscrossed 中crisscrossed的主语是一半的世界？？？
B，that eventually combine to form a waterfall 说明已经变了那~所以不是以前的小溪鸟 还有就是是两个小溪run
C,In the bay of fundy the rising tide produces an inward surge so powerful that it 这个IT是谁都不知道了......原来那句至少还有个明了是the rising tide 吧?
D,uncle's or that of someone else who 这完全OK啦....没有什么歧义
E,这个真不知道 agree 要看上下文的吧 否则都行啊....
F,这是个虚拟的语气 看到HAD句首倒装 直接看虚拟 前面的是HAD DONE 后面就是WOULD HAVE DONE 改自己看喽 就是 i would have worn
G,请注意 SAT中一般有个AS 必定有另外一个AS 请记住了
H,是S看到我嘛 我是宾格,借词后宾格
I,were she to take 就是虚拟 倒装啦 were to 表示对将来虚拟啊 前面用了MIGHT了啊
btw LZ你是太紧张了 没事的 相信自己就OK的 真题语法切豆腐的 想出现虚拟都已经中等了

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1.后半句不是句子，也不做定语状语或补语，错误，应该是 they have.done形式，而svo, svo又是一个流水句子错误（run on sentences），所以把前面的内容变成修饰成分：主语，修饰，动作。
2.run是river发出的动作，两条河“流（动词）”，所以rivers 对应 run
3. .so powerful本质是一个形容词，不能直接加在修饰对象后面（就和m...

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1.后半句不是句子，也不做定语状语或补语，错误，应该是 they have.done形式，而svo, svo又是一个流水句子错误（run on sentences），所以把前面的内容变成修饰成分：主语，修饰，动作。
2.run是river发出的动作，两条河“流（动词）”，所以rivers 对应 run
3. .so powerful本质是一个形容词，不能直接加在修饰对象后面（就和man handsome的错误是一个道理）应该加which
4,简化一下，the voice is her uncle...........明白了吧...声音是她叔叔的，而不是她叔叔
5.was first realized这个决定了时态
6.had i 虚拟， 所以后面应该i would have worn.......would of 就没有这么连接的，借此错误
7.as as 结构，固定搭配，没有as then的结构
8.were she 和had i 一样，是虚拟语气，表示if she

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