高考英语一轮总复* 专题9 状语从句和并列连词课件

发布于:2021-10-01 06:35:20

专题九 状语从句和并列连词 状语从句思维流程 知识点一 时间状语从句 1.when, while和as的用法 (1)when既可引导一个持续动作,也可引导一个短暂性动作, 可用于主句和从句动作同时发生或从句动作先于主句动作发生。 When I lived there, I used to go to the seashore on Sundays. 我住在那里时,星期天常到海滨去。 When the film ended, the people went back. 电影一结束,看电影的人便回去了。 ★when引导时间状语从句,意为“正在这时”,表示某件事 正在发生或刚刚发生时,突然发生另一动作。 ??be about to do....when...正准备做某事这时…… ?be doing...when...正在做某事这时…… ? ?be on the point of doing...when...正要做某事这时…… ??had just done...when...刚做完某事这时…… Tom was about to close the window when his attention was caught by a bird. 汤姆正要关窗户,这时他的注意力被一只鸟吸引住了。 (2)while 引导的动作必须是持续性的,侧重主句动作和从句动作相 对比。 Please don’t talk so loud while others are working. 别人在工作时,别高声谈话。 (3)as 引导一个持续性动作,多用于主句和从句动作同时发生。 John sings as he works.约翰一边工作,一边唱歌。 2.as soon as, the moment, the minute, the second, the instant, no sooner...than, hardly/scarcely...when... , immediately, directly, instantly的用法。 这些从属连词引导的从句都表示从句的动作一发生,主句的动 作随即就发生,常译为“一……就……”,从句中用一般时态 代替将来时态。 The moment she arrives,we can start. 她一到,我们就可以开始。 No sooner had we arrived at the station than the train left. 我们一到车站火车就出发了。 The boy burst into tears immediately he saw his mother. 男孩一看到他的母亲就哭了。 3.till, until和not...until的用法 (1)在肯定句中,主句谓语动词必须是延续性动词,意为“某动 作一直延续到某点才停止”。 You may stay here till/until the rain stops. 你得在这里呆到雨停。 (2)在否定句中,主句谓语动词必须是非延续性动词,从句为肯 定式,意为“某动作直到某时间才开始”。 He won’t go to bed till (until) she returns. 直到她回来他才睡。 (3)not...until句型中的强调和倒装说法。 It was not until you told me that I had any idea of it.(强调句型) Not until you told me did I have any idea of it.(not until 置于句首, 主句要倒装) 4.before和since的用法 (1)连词before表示“还未……就……”,“不到……就……”, “……才……”,“趁还没来得及……”。 Before they reached the station, the train had gone. 他们(还没)到达火车站前,火车已经开走了。 We hadn’t run a mile before he felt tired. 我们跑了还不到一英里他就累了。 Please write it down before you forget it. 趁你现在没忘把它记下来。 (2)before的句型:It will be+时间段+ before从句,表示“多久 之后才……”。 It will be half a year before I come back. 半年后我才回来。 It won’t be long before we meet again. 不久后我们将再见面。 (3)since的句型: It is/has been+时间段+ since从句。若从句谓语 为非延续性动词,表示“自从……有多久”;若从句的谓语为延 续性动词,表示“自从结束/完成……起有多久”。 It is three years since the war broke out. 战争爆发以来,有三年了。 It is three years since he lived here. 他不在这儿住已经有三年了。 5.every time, each time, next time, the first time, any time, all the time的用法 这些短语用来引导时间状语从句,表示“每当……”,“每 次……;下次……”等。 Every time I meet her I always forget her name. 每次我见到她时,我总忘了她的名字。 Next time you come, do remember to bring your son here. 下次你来时,记住把你的儿子带来。 You are welcome to come back any time you want to. 你想回来随时可以回来

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