though, although, as引导让步状语从句的区别
1. although conj. 多用于句首，用法较正式、可与though换用。“虽然，尽管”
Lessons can be learned to face the future, although history can’t be changed.
Although I still make lots of mistakes, it doesn’t bother me like it ud to.
2. though conj. 较常用, 可与although常可直接换用。
Although / Though he believes it, yet he will not act.
conj. 可倒装也可不倒装。
Child though / as he is, he knows a lot.
Although / Though he is a child, he knows a lot.
conj. 表示“假设”或用于虚拟结构, 可构成even though “即使”；although 不与even连用、只用来陈述“事实”。
even though / if 即使 不能说 even although
as though/ if 好像 不能说 as although
It is not as though he were poor. 看来他不像贫穷的样子。
Einstein cared little for money, though he could have been very rich.
adv. 放在句子末尾，前面用逗号隔开，相当于however. Although无此用法。
It was hard work; I enjoyed it, though.
-- Have you been to Australia? -- No. I’d like to, though.
They said they would come; they did not, though.
It sounds strange. It is true, t_______.
He said he would come. He didn’t, _______.
A. although B. though C. therefore D. thus
3. as 引导让步状语从句，必倒装。名词，形容词，动词提前。单数可数名词提前，省略其前冠词。
形容词倒装
Hot as / though the night air was, we slept deeply becau we were so tired after the long journey.
Well-written as the book is,the author is not satisfied and prepared to revi it.
名词作表语，只提前名词，无冠词
古典文学
Child as /though he is, he can speak two foreign languages.
Student as he is, he does not study hard.
副词倒装
Much as I admire his courage, I don’t think he acted wily.
动词原形 + as + 主语 + 谓语的另一部分（情态动词或助动词may, might, will, would等）：
Try as you will, you won’t be able to persuade him.
不管你怎么努力,你都说服不了他.
* _____, I have never en anyone who’s as capable as John.（上海2001）
A. As long as I have traveled
B. Now that I have traveled so much
乐山美食推荐 C. Much as I have traveled
D. As I have traveled so much
* _____, Carolina couldn’t get the door open.（广东2005）
A. Try as she might 段的成语B. As she might try
起承转合的意思 C. She might as try 炸鸡汉堡D. Might she as try
* ______, he talks a lot about his favorite singers after class. （重庆高考 2005）
A. A quiet student as he may be B. Quiet student as he may be
C. Be a quiet student as he may D. Quiet as he may be a student
* _____ small, the company has about 1000 buyers in over 30 countries.
A. As B. If C. Although D. Once
香菇水饺从句主语与主句一致，且有be动词，从句主语和be可以省略。
虽然我3年没见露西了，但是我们保持着联系。
Although I haven't en Lucy for 3 years, we ___________ each other．
4. despite 介词“尽管”，相当于in spite of
Despite his lack of experience, he got the job.
It is unbelievable that Mr. Lucas leads a simple life despite his great wealth.
海宁盐官观潮
一、名词 + as / though + 主语 + 动词
King as he was，he was unhappy. 他虽是 he 国王，但他并不幸福。
Child as he is，he knows to help other. 他虽是个孩子，却知道帮助别人。
【说明】其中的动词通常为连系动词， 也就是说位于句首的名词是其后连系动词 的表语。另外，要特别注意位于句首的名词 位于句首的名词 即使其前有形容词修饰 前习惯上不用冠词， 也不用冠词。
比较： Boy as ［though］ he is， he likes to play with girls.=Though he is a boy， likes to play he with girls. 他虽是男孩， 却喜欢与女孩子玩。
二、形容词 + as / though + 主语 + 动词
Successful as he is，he is not proud. 他虽然成功，但不骄傲。
Beautiful though the necklace was，we thought it was over-priced. 那条项链虽然很 漂亮，我们认为价钱太高。
【说明】 其中的动词也通常为连系动词，也就是说位于句首的形容词是其后连系动 词的表语
三、副词 + as / though + 主语 + 动词
比眼力Much as I like Paris， I couldn’t live there. 尽管我喜欢巴黎，但我不能住在那里。 Hard though they tried，they couldn’t make her change her mind.
尽管他们做了很 大努力，却没法让她改变主意。
四、动词原形 + as / though + 主语 + 动词原形 动词
Object as you may，I’ll go. 纵使你反对， 我也要去。
Try as he might，he couldn’t solve the problem.
尽管他想方设法， 却未解决这个问题。
五、分词 + as / though + 主语 + 动词 分词
Raining hard as it is， I’m going out for a walk.
虽然正在下着大雨，我还是要出去散步。
Wordlist
TV guide program
live broadcast channel
the World Cup champion
be informed of the outside world
expo to experience
nowadays entertainment
a couch potato ason
doubt influence
behave unfavorable
relationship furniture
