让步状语从句主要由though, although引导，也可由even if, even though, granted
(that), granting (that), admitting (that), for all that, while, as, that, if等引导，还
可由in spite of the fact, despite the fact that, regardless of the fact that, notwith-
standing the fact that等结构引导.让步状语从句可前it，亦可后it。例如:
Although he is poor，he is well contented.
He is poor-although he is well contented.
移动(如"Though he is poor”和“Poor though he is"),although则只能2于从句之
Though all the world were against me, I should still hold to my opinion.即使整个世
Though everybody desert you，I will not.
He didn't tell me where he had been, but I knew it，though.
He said he would come，he didn't，though.
2) even if/though, if引导的让步从句
even if与even though同义，常用来强调让步概念.例如:
Even if the weather is bad tomorrow，I will want to go out.
I'll do it, even though it takes me all the afternoon.
If John had been there, I would have seen him.(条件从句)
If John were there, I didn't see him.(让步从句)
If he is poor, how can he buy the house?(条件从句)
If he is poor, he is at least honest.(让步从句)
He is a good teacher, if severe.
He is.a pleasant，if awkward，lad.
The rooms were beautifully if quietly furnished.
3) as, that, though引导的特殊让步从句
Rich as he is，I don't envy him.
=I don't envy him，even though he is rich.
=However rich he may be， I don't envy him.
=No matter how rich he is，I don't envy him.
Try as you may, you will never persuade him out of his foolish plans.
Gently as his words were spoken，there was no mistaking that he was displeased.
Much as I should like to see you，I am afraid I have no time tonight.
Much as we admire Shakespeare's comedies，we cannot agree that they are superior
to his tragedies.
Boy as he was，he knew what was the right thing to do.
Clever though you may be，you cannot do that.
Difficult though the task was，they managed to accomplish it in time.
Fool though I was，I wouldn't be so easily deceived by his sweet words.
Sneer unkindly though you may，he is very popular.
Detest him as we may，we must acknowledge his merits.
as... as…结构也可引导让步状语从句，相当于as, that引导的让步状语。例如:
But as tempted as I am to be a coward and escape by crawling back home，I have re-
solved to give it a good month's trial.