【—语法对让步状语从句用法的总结】下文是通过对让步状语从句概念的整合，及典型例题的分析。

　　让步状语从句

　　though, although

　　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。
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