高中英语语法--状语从句高英语语法--状语从句高中英语语法--状语从句高中英语语法--状语从句.docVIP

高中英语语法 状语从句语副词 动词/句子（形容词/其它副词） 介词短语（一）从句 ① when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，而且可以表示主句的动作和从句的动作同时发生，或者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 atopped 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，突然）的意思，此时其所引导的从句只放在主句之后。 be about to do …when… 正要去做某事，突然…… be doing …when… 正在做某事，突然…… be on the point of doing …when… 正在做某事，突然…… 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. 比赛刚刚开始就下起雨来。 (2) as引导的时间状语从句 as引导的时间状语从句其动词的动作是延续性的，而且侧重表示主句和从句的动作交替或同时发生，译为“一边……，一边……”或“随着……” We were having breakfast as she was combing her hair. 她梳头时我们在吃早饭。 It will warm up a little bit on Sunday as the cold front passes. 寒流一过，星期日就会有点暖意了。 (3) while引导的时间状语从句 while表示“在某一段时间里”或“在……期间”，其所引导的从句的动作是延续性的，并侧重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 have finished my dissertation before my supervisor went abroad. 在我的导师出国之前，我已完成了我的学位论文。 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once（一旦），directly（老式英国英语），immediately（主要用于英国英语），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 was quiet. 老师一进来，大家就静了下来。 (6) hardly...when/no sooner...than引导的时间状语从句 hardly/barely/scarcely...when和no sooner...than的意思是“刚……就”，它们所引导的从句中的谓语动词通常为过去完成时。 He had no sooner (no sooner had he)arrived home than he was ask