选A还是B ？
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分类: 外语/出国
问题描述:
＿＿,he never seems able to do the work satisfactorily.A.Hard as he will try .B .Try hard as he will.请问选择哪一个?为什么?谢谢!答案为B,可我认为是A.可又找不到语法依据．
解析:
as, though 引导的倒装句
as / though引导的让步从句必须将表语或状语提前 （形容词, 副词, 分词, 实义动词提前）。
注意：
1) 句首名词不能带任何冠词。
2) 句首是实义动词, 其他助动词放在主语后。如果实义动词有宾语和状语, 随实义动词一起放在主语之前。
Try hard as he will, he never seems able to do the work satisfactorily.
注意:
让步状语从句中，有though，although时，后面的主句不能有but，但是 though 和yet可连用。
另外有特殊倒装句的用法。
1、将句型prefer to do A rather than do B(宁愿做A而不愿做B)中的rather than do B放在句首，从而构成特殊倒装句型。
Rather than ride on a crowded bus, he always prefer to ride a bicycle.
2、as（尽管）引导让步状语从句时，一般将通常语序中应置于句末的表语、动词或副词前置至句首，从而构成特殊倒装句型。
（1）Try as she might，Carolina couldn’t get the door open.(2005广东卷)
（2）Quiet student as he may be, he talks a lot about his favorite singers after class.(2005重庆卷)
注解：由as 引导的倒装句，如果表语为单数可数名词，前置时应去掉部定冠词。
3、在由if 引导的虚拟条件从句中，如果从句的谓语动词含有were，had，could，should，可将它放在句首，将连词if省去，从而构成特殊倒装句型。
（1）Should you be fired，your health care and other benefits will not be immediately cut off.(2006湖北卷)
（2）Were it to rain tomorrow, we would have to put off the visit to the Great Wall.
（3）What would have happened, had Bob walked farther as far as the river bank?(2001上海卷)
4、一般误认为含有插入语的特殊疑问句要以特殊疑问词开头，从而采用倒装语序，实际上应将插入语后面的内容视为宾语从句，从而采用陈述语序。
Whom do you think I should see first?
He made another wonderful discovery, which I think is of great importance to science.
注解：这里I think 是插入语，which 引导非限制性定语从句。
5、名次性从句中的what，how，when，why等引导词易被误认为特殊疑问词而采用疑问式倒装语序，实际上这些词为连词，引导名次性从句，故从句仍应采用陈述语序。
When he will e is unknown to me.
No one can be sure what man will look like in a million years.
My question is where he has gone.
6、whatever，however，whichever引导让步状语从句或名词性从句时常被误认为特殊疑问句而采用倒装语序，实际上应采用陈述语序。
It is generally considered unwise to give a child whatever he or she wants.
We’ll have to finish the job however long it takes
7、表示祝愿的句型。
May you succeed!
Long live France!
问题描述:
＿＿,he never seems able to do the work satisfactorily.A.Hard as he will try .B .Try hard as he will.请问选择哪一个?为什么?谢谢!答案为B,可我认为是A.可又找不到语法依据．
解析:
as, though 引导的倒装句
as / though引导的让步从句必须将表语或状语提前 （形容词, 副词, 分词, 实义动词提前）。
注意：
1) 句首名词不能带任何冠词。
2) 句首是实义动词, 其他助动词放在主语后。如果实义动词有宾语和状语, 随实义动词一起放在主语之前。
Try hard as he will, he never seems able to do the work satisfactorily.
注意:
让步状语从句中，有though，although时，后面的主句不能有but，但是 though 和yet可连用。
另外有特殊倒装句的用法。
1、将句型prefer to do A rather than do B(宁愿做A而不愿做B)中的rather than do B放在句首，从而构成特殊倒装句型。
Rather than ride on a crowded bus, he always prefer to ride a bicycle.
2、as（尽管）引导让步状语从句时，一般将通常语序中应置于句末的表语、动词或副词前置至句首，从而构成特殊倒装句型。
（1）Try as she might，Carolina couldn’t get the door open.(2005广东卷)
（2）Quiet student as he may be, he talks a lot about his favorite singers after class.(2005重庆卷)
注解：由as 引导的倒装句，如果表语为单数可数名词，前置时应去掉部定冠词。
3、在由if 引导的虚拟条件从句中，如果从句的谓语动词含有were，had，could，should，可将它放在句首，将连词if省去，从而构成特殊倒装句型。
（1）Should you be fired，your health care and other benefits will not be immediately cut off.(2006湖北卷)
（2）Were it to rain tomorrow, we would have to put off the visit to the Great Wall.
（3）What would have happened, had Bob walked farther as far as the river bank?(2001上海卷)
4、一般误认为含有插入语的特殊疑问句要以特殊疑问词开头，从而采用倒装语序，实际上应将插入语后面的内容视为宾语从句，从而采用陈述语序。
Whom do you think I should see first?
He made another wonderful discovery, which I think is of great importance to science.
注解：这里I think 是插入语，which 引导非限制性定语从句。
5、名次性从句中的what，how，when，why等引导词易被误认为特殊疑问词而采用疑问式倒装语序，实际上这些词为连词，引导名次性从句，故从句仍应采用陈述语序。
When he will e is unknown to me.
No one can be sure what man will look like in a million years.
My question is where he has gone.
6、whatever，however，whichever引导让步状语从句或名词性从句时常被误认为特殊疑问句而采用倒装语序，实际上应采用陈述语序。
It is generally considered unwise to give a child whatever he or she wants.
We’ll have to finish the job however long it takes
7、表示祝愿的句型。
May you succeed!
Long live France!
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