什么是让步状语从句?请详细解释下!谢谢.

什么是让步状语从句?请详细解释下!谢谢.
什么是让步状语从句?请详细解释下!谢谢.

什么是让步状语从句?请详细解释下!谢谢.
让步状语从句表示：虽然,尽管,即使等概念,由although（尽管）,though（尽管）,however（无论怎样）,whatever（无论什么）,whoever（无论谁）,whomever（无论谁）,whichever（无论哪个）,whenever（无论何时）,wherever（无论哪里）,whether（是否）,no matter (who,what,where,when,etc) （无论……）,even if（即使）,even though（即使）等词引导.
如：We won”t be discouraged even if(=even though) we fail ten times.我们就是失败十次也不泄气.
It was an exciting game,though / although no goals were scored.那是一场精彩的球赛,尽管一个球都没进.(though,although不能与 but连用)
Whether you believe it or not,it”s true.不管你信不信,这是真的.
However (=No matter how) expensive it may be,I”ll take it.无论它有多贵,我也要买下它.
Don”t let them in,whoever(=no matter who) they are.不管他们是谁,别让他们进来.
No matter what I say or how I say it,he always thinks I”m wrong.无论我说什么或怎么说,他总认为是我错.
特别提醒
1.no matter
what（who,which,when,etc.）与whatever（whoever,whichever,whenever,etc.）的区别：
当引导让步状语从句时,两者相同,可以互换,但当引导名词性从句（主语从句,宾语从句,表语从句和同谓语从句）时则只能用whatever（whoever,whichever,whenever,etc）.如上面最后两个例句可改为：
e．g． However pure the water looks,I do not want to drink it.
I want to marry the man I love,no matter who he may be.
下面句字不能用no matter结构:
Whoever comes back firs is supposed to win the prize.(主语从句)
I am ready to do whatever you want me to .（宾语从句）
2.as 引导让步状语从句的用法：
引导让步状语从句时,as意为“虽然,尽管”,通常从句要倒装,倒装的方法是将从句的表语或状语放在as之前,而用though引导让步状语从句时句字则不必倒装（口语中也可倒装）.
e.g.Heavily as it was raining outside,they started out very early.
Young as he is,he knows a lot=Though he is young 或Young though he is,he….
他虽然年轻,但懂得很多.(though 也有这种用法,可以替换as,但although没有这种用法)
though还可以用作副词,放在句末.如：
It was hard work;; I enjoyed it,though=It was hard work,but I enjoyed it.那工作很苦,但是我喜欢干.
3.用though/although,as 引导让步状语从句时,句中不能用but表示转折语气.
不能说：Though he looks weak,but he is healthy.
而要说：Though he looks weak,he is healthy.
或者说：He looks weak,but he is healthy.

就是加though,although(虽然)，表示让步

让步状语从句:
连接让步状语从句的连接词有：although, though, even if, even though, however, whatever, whenever, whoever, whichever.
1 Although (though) I gave him some advice, he didn’t take them.
2 John conti...

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让步状语从句:
连接让步状语从句的连接词有：although, though, even if, even though, however, whatever, whenever, whoever, whichever.
1 Although (though) I gave him some advice, he didn’t take them.
2 John continued to work hard even if (even though) he felt sick.
3 Whatever you do, I will support you.==No matter what you do, I will support you.
4 Whoever you may be, I will not let you in. ===No matter who you may be, I will not let you
in.
5 However difficult it may be, we will overcome it. === No matter how difficult it may be, we
will overcome it.
注意：
一般情况下，although等于though, even if等于even though, however等于no matter how, wh-ever等于 no
matter wh-．
注意： 当有though, although时，后面的从句不能有but，但是 though 和yet可连用
Although it's raining, they are still working in the field.
虽然在下雨，但他们仍在地里干活。
He is very old, but he still works very hard.
虽然他很老，但仍然努力地工作。
Though the sore be healed, yet a scar may remain.
伤口虽愈合，但伤疤留下了。 （谚语）
典型例题
1） ___she is young, she knows quite a lot.
A. When B. However C. Although D. Unless
答案：C。意为虽然她很年轻，却知道许多。
2) as, though 引导的倒装句
as / though引导的让步从句必须表语或状语提前（形容词、副词、分词、实义动词提前）。
Child as /though he was, he knew what was the right thing to do.
= Though he was a small child, he knew what was the right thing to do.
注意： a. 句首名词不能带任何冠词。
b. 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.
= Though he tries hard, he never seems…
虽然他尽了努力，但他的工作总做的不尽人意。
3) ever if, even though. 即使
We'll make a trip even though the weather is bad.
4) whether…or- 不管……都
Whether you believe it or not, it is true.
5) "no matter +疑问词" 或"疑问词+后缀ever"
No matter what happened, he would not mind.
Whatever happened, he would not mind.
替换：no matter what = whatever
no matter who = whoever
no matter when = whenever
no matter where = wherever
no matter which = whichever
no matter how = however
注意：no matter 不能引导主语从句和宾语从句。
（错）No matter what you say is of no use now.
（对）Whatever you say is of no use now.
你现在说什么也没用了。(Whatever you say是主语从句)
（错）Prisoners have to eat no matter what they're given,
（对）Prisoners have to eat whatever they're given. 囚犯们只能给什么吃什么。

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