备战2019年高考英语考点一遍过考点27时间状语从句(含解析).docxVIP

PAGE PAGE 10 教学课件 教学课件 考点 27 时间状语从句高考频度：★★★★★ 考向一 when/while/as引导的定语从句 考向一 when/while/as引导的定语从句 一、when 引导的时间状语从句 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） 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。 二、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。三、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。 1.（2016·全国新课标卷 III·语法填空）Over time, 45 the population grew, people began cutting food into small pieces so it would cook more quickly. 【参考答案】as/when 2.（2016·四川卷·语法填空）The mother held the baby in her front paws much the way a human does. 46 it cried, she rocked itback and forth and gaveit little comforting pats. 【参考答案】When/If 考向二before 引导的时间状语从句【答案解析】考查时间状语从句。句意：如果或当它哭的时候，她会前后摇动。故填 When/If。 考向二before 引导的时间状语从句 一、before 的常见意思 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。 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 he came back. 他三天后才回来。 before ＂尚未来得及 ＂ Before she could move, she heard a loud noise, which grew to a terrible roar. 她还没有来得及动弹，就听见有很响的声音，接