章振邦高级英语语法496页：

把as long as列入引导时间状语分句，表示2个持续性动作同时发生，并举例:

He worked as long as we played.

Children kept cheering as long as the game continued.

请教老师，as long as引导的从句究竟属于时间状语分句，还是属于条件状语呢？

     【答】as long as 可以引导时间状语从句（分句）、条件状语从句和原因状语从句。应该根据逻辑分析和语境来判断。