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让步状语从句由though、although、as、even if (though)、however、whatever、whoever、whenever、no matter +wh词等引导。
一、even if、even though、although、though引导的让步状语从句
这四个词（词组）都有“虽然、即使、尽管”的意思。even if和even though带有较强的意味，语气比although和though强。though比although通俗，但不如although正式,都不能和but连用，但可以和yet、still或nevertheless连用，可以放在主句前面也可以放在主句后面。even if、even though所接的句子常用虚拟语气。
We won't give up even if we should fail ten times.
即使是我们失败十次，我们也不会放弃。
He might have given you more help，even though he was very busy．
尽管他很忙，他可能给了你更多的帮助。
二、as或though引导让步状语从句
1、由as或though引导让步状语从句用倒装语序
Proud as these nobles are, he is afraid to see me.
这些贵族尽管很傲慢，他们却害怕见我。
2、如果表语为单数可数名词，这个名词不带冠词
12-year-old girl as she is, she has had a good command of English.
她虽然只是个12岁的女孩，但是她已经熟知英语。
Child as he is，he knows a lot.
虽然他还是个孩子，却懂的很多。
3、如果句中谓语包含情态动词或助动词，则将实意动词放在as之前
Try as I might，I couldn't lift the stone.
我使多大劲儿也搬不动这块石头。
Praised as he was, he remained modest.
他虽然受到表扬，但仍然保持着谦虚。
4、如果句中谓语仅有实意动词，则将实意动词(原形)放在as之前，并在主语后面加助动词do、does、did或will
Torture her as they did, the enemy got nothing out of her.
虽然敌人拷打她，却没有能从她嘴里得到什么。
Fail as he did, he would never give up.
尽管他失败了，但他决不会放弃。
注：如果在这种情况下句中谓语有副词修饰，则将副词放在as之前。
Again and again as he failed, he didn't lose heart
他虽然多次失败，但仍不灰心丧气。
Much as I admire his courage, I don't think he acted wisely.
我虽然佩服他的勇气，但是我认为他这样做是不明智的。
三、由no matter+ wh词和由疑问词＋ever引导让步状语从句
由no matter引导，表示“不管；无论”；由疑问词＋ever引导，表示“不管，不论”。这类词有whatever、whichever、whoever、however、whenever、wherever等，它们相当于no matter+ what（which、who、how、when、 where），都不能与but、so、and等并列连词同时使用。
We'll have to finish the job, however(no matter how) long it takes.
不管需要多长时间，我们都一定完成这项工作。
No matter what(Whatever) you do, don't tell him that I told you this.
无论你做什么，别告诉他我对你说过这件事。
四、由whether…or引导让步状语从句
由whether…or引导让步状语从句表示“不论……还是”，提供两种对比的情况。
I shall go, whether you come with me or stay at home.
不论你来还是留在家中，我都要去。
Whether we like a particular piece of news or not, all we have to do is sit in front of the tube and “let it happen”.
不管我们喜欢不喜欢一条消息,我们所能做的只是坐在电视机前，“让它过去”。
一、even if、even though、although、though引导的让步状语从句
这四个词（词组）都有“虽然、即使、尽管”的意思。even if和even though带有较强的意味，语气比although和though强。though比although通俗，但不如although正式,都不能和but连用，但可以和yet、still或nevertheless连用，可以放在主句前面也可以放在主句后面。even if、even though所接的句子常用虚拟语气。
We won't give up even if we should fail ten times.
即使是我们失败十次，我们也不会放弃。
He might have given you more help，even though he was very busy．
尽管他很忙，他可能给了你更多的帮助。
二、as或though引导让步状语从句
1、由as或though引导让步状语从句用倒装语序
Proud as these nobles are, he is afraid to see me.
这些贵族尽管很傲慢，他们却害怕见我。
2、如果表语为单数可数名词，这个名词不带冠词
12-year-old girl as she is, she has had a good command of English.
她虽然只是个12岁的女孩，但是她已经熟知英语。
Child as he is，he knows a lot.
虽然他还是个孩子，却懂的很多。
3、如果句中谓语包含情态动词或助动词，则将实意动词放在as之前
Try as I might，I couldn't lift the stone.
我使多大劲儿也搬不动这块石头。
Praised as he was, he remained modest.
他虽然受到表扬，但仍然保持着谦虚。
4、如果句中谓语仅有实意动词，则将实意动词(原形)放在as之前，并在主语后面加助动词do、does、did或will
Torture her as they did, the enemy got nothing out of her.
虽然敌人拷打她，却没有能从她嘴里得到什么。
Fail as he did, he would never give up.
尽管他失败了，但他决不会放弃。
注：如果在这种情况下句中谓语有副词修饰，则将副词放在as之前。
Again and again as he failed, he didn't lose heart
他虽然多次失败，但仍不灰心丧气。
Much as I admire his courage, I don't think he acted wisely.
我虽然佩服他的勇气，但是我认为他这样做是不明智的。
三、由no matter+ wh词和由疑问词＋ever引导让步状语从句
由no matter引导，表示“不管；无论”；由疑问词＋ever引导，表示“不管，不论”。这类词有whatever、whichever、whoever、however、whenever、wherever等，它们相当于no matter+ what（which、who、how、when、 where），都不能与but、so、and等并列连词同时使用。
We'll have to finish the job, however(no matter how) long it takes.
不管需要多长时间，我们都一定完成这项工作。
No matter what(Whatever) you do, don't tell him that I told you this.
无论你做什么，别告诉他我对你说过这件事。
四、由whether…or引导让步状语从句
由whether…or引导让步状语从句表示“不论……还是”，提供两种对比的情况。
I shall go, whether you come with me or stay at home.
不论你来还是留在家中，我都要去。
Whether we like a particular piece of news or not, all we have to do is sit in front of the tube and “let it happen”.
不管我们喜欢不喜欢一条消息,我们所能做的只是坐在电视机前，“让它过去”。