7. 让步状语从句

　　引导让步状语从句的连词有：Although, though, as, even if, even though, no matter, however, whatever, while, whether。

　　Although, though ---虽然 although 和though 可以互换，但although 常放在句首。Though可以用于倒装。

　　Although it was raining, the plane managed to take off.

　　Though he did his best, he didn’t succeed.

　　As --- 尽管 as 引导让步状语从句时，句子通常倒装。可与though 互换。

　　Busy as he is, he never misses a football match.

　　Even if /even though ---即使。

　　Even if you don’t like your boss, you should do your work.

　　However --- 不论， however 引导让步状语从句时，句子通常倒装。

　　He couldn’t get there on time however fast he drove.

　　No matter (what, when, where, how) ---无论(什么，何时，何地，怎样)。

　　He wouldn’t forgive me no matter how hard I begged him.

　　Whatever --- 不管。

　　Whatever other people may say, she won’t change her mind.

　　While ---尽管。

　　While I have sympathy for you, I can’t help you.

　　Whether ---不管，常与or not 连用。

　　Whether he is good or not, the company decided to send him abroad.

　　8. 方式状语从句

　　方式状语从句常由: as, as if, as though。

　　as ---与…… 一样。

　　Do in Rome as the Romans do.

　　as if, as though --- 仿佛, 由as if或 as though引导的从句中可用虚拟语气。

　　She stood at the door as if (=as though) she were waiting for someone.