④Bravely as/though they fought, they had no chance of winning.

尽管他们英勇奋战，但是仍没有赢的机会。

3. although/though 虽然, even if / though 即使,尽管。由它们引导的让步状语从句中,主句不能用 but, 但可用yet, still 或nevertheless。

①He will never tell you the truth even if /though he knows it.

②Although he is very old, yet he still works day and night.

尽管他年龄很大了, 但仍然日夜地工作着。

③The old woman is unhappy though she has a lot of money.

　注意：1. 在状语从句中（如时间、条件及让步状语从句），如果从句的主语和主句的主语一致或是it, 且从句中含有be动词时，那么从句中的主语和be动词可以省略。如：

　①Don't speak until (you are) spoken to. 有人对你说话时你再说。

　②While (I was) in Beijing, I paid a visit to the Summer Palace.

　在北京时，我参观了颐和园。

　③Come tomorrow if (it is) possible. 如果可能的话，明天就来吧。

　④The girl never gave in unless (she was) wrong.

　这个女孩不会屈服的，除非她错了。

　⑤Though (it is) cold, he still wore a shirt.

　天气虽然冷，但他仍穿一件衬衫。

　⑥Though (he was) poor, the man was happy.

　尽管他很穷，他很快乐。

2. 无论在时间、条件还是让步状语从句中，用现在时表示将来，即主将从现。

【当堂检测】

1. (2013重庆卷)______ we have enough evidence, we can't win the case.

A. Once B. As long as C. Unless D. Since

2. (2013四川卷)[来源He is so busy. He cannot afford enough time with his son ___ he wants to.

　A. even if B. as if C. because D. before

3. (2013上海卷)They promised to develop a software package by the end of this year, ______ they might have.

A. however difficult B. how difficult

C. whatever difficulty D. what difficulty

4. (2013辽宁卷)One can always manage to do more things, no matter____ full one's schedule is in life.

A. how B. what C. when D. where

5. (2012辽宁卷）Leave your key with your neighbor you lock yourself out one day.

　 A. as long as B. even though C. in case D. as if

6.(2012全国新课程) I don't believe we've met before, I must