状语从句1. 时间状语从句(1) when 引导的时间状语从句①when 引导的时间状语从句，其动词既可以是延续性动作的动词，也可以是瞬间性动作的动词，可以表示主句的动作和从句的动作同时发生，或从句的动作发生在主句的动作之前。when you apply for a job, you must present your credentials.当你申请工作时，你必须递交你的有关证件。（同时）when the students heard the teacher’s footsteps, they all adopted talking.当学生们听到老师的脚步声时，他们都停止了讲话。（从句动作发生在前）② when 还可表示 just then（正在那时）的意思，此时其所引导的从句只放在主句之后。we were about to start when it began to rain. 我们正要动身，突然天下起雨来。The game had hardly/scarcely/barely begun when it started raining. 竞赛刚刚开始就下起雨来。 (2) as 引导的时间状语从句as 侧重表示主句和从句的动作并相发生,翻译成一边，一边。We were having breakfast as she was combing her hair. 她梳头时我们在吃早饭。 (3) while 引导的时间状语从句while 或“在……期间”，所引导的从句的动作是延续性的，并表示和主句的动作同时发生。When the teacher paraphrased the text in English, the students listened attentively and took notes. 当老师用英语解释课文时，学生们聚精会神地听并做着笔记。I can learn while I work. 我可以边工作边学习。 (4) before 引导的时间状语从句① before“在……之前”I’ll be back before you have left. 你离开之前我就会回来。② before“……之后才”It may be many years before we meet again. 可能要过许多年我们才能再见了。It was three days before I came back. 他三天后才回来。 (5) as soon as/once/directly/the instant 等引导的时间状语从句as soon as 是最常见的表示“一……就”的从属连词，其他连词还有 immediately，instantly，the instant (that)，the minute(that) ，the moment(that)等，它们通常都可与 as soon as 换用。As soon as we got home, the telephone rang. 我们一到家，电话就响了。I recognized her immediately I saw her. 我一看见她就认出她来了。Directly the teacher came in everyone...
