Section ⅣModule 5语法讲座写作讲座考点精析专题练习佳作观摩技法指导专题练习时间状语从句和原因状语从句一、时间状语从句 除了我们在Module 3学习的由when, while, as引导的时间状语从句外,常见的引导时间状语从句的连词还有:after, before, since, ever since, till, until, as soon as, once, whenever, no sooner ... than, hardly ... when, the moment, every time, each time, next time, immediately等。1.before引导时间状语从句可表达多种意义:“……才&r..