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Module 2 Public holidays 状语从句(1)时间状语从句1When it is all over, everyone helps wash the dishes.当一切都结束时，大家都帮着洗餐具。2While were staying with our friends, were going to spend one day in Qingdao.当我们和朋友们待在一起的时候，我们打算在青岛度过一天的时间。3Before we begin dinner, my father gives thanks for the food.在我们开始晚餐之前，我父亲为食物而感恩。4And my family always go somewhere interesting as soon as the holiday begins.而且假期一开始，我们全家总是去某个好玩的地方。5and well stay there until the end of the holiday.而且我们会待在那里，一直到假期结束。6We have celebrated the festival since the first pioneers from England arrived in America.自首批英格兰的拓荒者们抵达美洲大陆以来，我们就一直庆祝这个节日。一、when引导的时间状语从句when意为“_”，既可指时间段，也可指时间点；从句中既可用延续性动词，又可用非延续性动词，且动作既可和主句的动作同时发生，也可在主句的动作之前或之后发生。when有时还表示“就在那时”。When she came in, I was eating.当她进来时，我正在吃东西。When I lived in the countryside, I used to carry water for him.当我住在农村时，我常常为他担水。二、while引导的时间状语从句while意为“_”，引导的从句的谓语动词必须是延续性的，并强调主句和从句的动作同时发生(或者相对应)，while有时还可以表示对比。I like playing football while he likes playing basketball.我喜欢踢足球，而他喜欢打篮球。三、before/after引导的时间状语从句1before意为“_”，引导时间状语从句时，表示主句的动作发生在从句动作之前。See me before you leave.在你离开之前来见我。2after意为“_”，引导时间状语从句时，表示主句的动作发生在从句动作之后。I saw them after I arrived.抵达之后，我见到了他们。四、as soon as引导的时间状语从句as soon as 意为“_”。如果主句用一般将来时、含有情态动词或祈使句，从句用一般现在时表示将来。Ill tell him the news as soon as he comes.他一来我就告诉他这个消息。五、until引导的时间状语从句1在until引导的时间状语从句中，如果主句的谓语动词是延续性动词，那么主句常常用肯定式，表示动作一直延续到until所表示的时间为止。until意为“_”。Ill work until he tells me to stop.我会一直工作到他叫我停下来为止。2在until引导的时间状语从句中，如果主句的谓语动词是非延续性动词，那么主句常常用否定式，表示某一动作到until所表示的时间才发生。notuntil意为“_”。She didnt go to bed until she finished her homework. 她直到做完作业才去睡觉。六、since引导的时间状语从句since意为“_”，其引导的时间状语从句主要有两种结构： 1主句(现在完成时)since时间状语从句(一般过去时)He hasnt been home since he graduated.他毕业后没回过家。2It is一段时间since时间状语从句It is two years since I became a postgraduate student. 我成为研究生已经有两年了。.单项选择()1.xx齐齐哈尔 I was writing a letter _ she was making a telephone call.AwhileBwhenCbefore()2.xx益阳I didnt realise he was a famous scientist _ you told me.A. until B. because C. since()3.xx岳阳 Ill go to visit my aunt in England _ the summer holidays start.A. since B. until C. as soon as()4.xx大庆Daming hasnt done much exercise _ he got his computer.Awhen Bif Cthough Dsince()5.xx福建 The students were singing happily _ I passed the school hall.A. when B. unlessC. though()6.xx攀枝花The book was so interesting that he had read it for three hours _ he realised it.A. before B. afterC. until D. since.用所给的引导词连成时间状语从句1I found Mother cooking for me. I got home.(when)_2We start to sing. Its 12 oclock. (as soon as)_3I will go out to play basketball with you. I finish my homework. (after)_ 4All the people left. He waited. (until)_5It started to rain. We were playing football. (while)_详解详析【语法探究】一、当的时候二、当的时候三、1.在之前2在之后四、一就五、1.直到为止2.直到才六、自从以来【实战演练】.1.Awhile意为“正当时；正在时”，在其引导的从句中，谓语动词必须是延续性动词，且常常用进行时。本题题干主从句都是进行时，且从句为延续性动词，故选A。2A 3C考查连词辨析。since意为“自从以来”；until意为“直到”；as soon as意为“一就”。根据空格前后的句意可知，用as soon as适合。故选C。4D本题考查时间状语从句的引导词。由主句谓语动词用现在完成时可知引导词为since。since意为“自从”，是现在完成时的标志词。5A考查连词辨析。主句是过去进行时，从句是一般过去时，故用连词when引导时间状语从句，表示“当某一动作发生时，另一动作正在进行”。故选A。6A考查时间状语从句中从属连词辨析。句意：这本书是如此有趣以至于他不知不觉已读了三个小时。即在他意识(he realised it)到之前，就已经读了三个小时。before意为“在之前”。故选A。.1.I found Mother cooking for me when I got home.2We start to sing as soon as its 12 oclock.3I will go out to play basketball with you after I finish my homework.4He waited until all the people left.5It started to rain while we were playing football.
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