陕西省汉中市铺镇初级中学中考英语专题复习状语从句课件.pptVIP

一 时间状语从句 一般由when，while，as，after，before，since，until，as soon as等从属连词引导。当主句是一般将来时或祈使句，表示将来的意义时，从句用一般现在时。 3.since “自从”（常用于现在完成时） 从他离开后我们没见过面。 We haven’t seen each other since he left. 4.as soon as”一…就…” 我一回来就给你打电话。 I’ll call you as soon as I come back. 主将 从现 5.not…until “直到…才…” 我将不会离开直到他回来。 I will not leave until he comes back. 主将 从现 I did not leave until he came back. 主将从现 when before as soon as not…until 注： ★because of和because的区别 ① because of后加名词代词或动名词，不加句子，而because加句子，例： Because of his illness, he didn’t go to work. 因为生病，他没上班。 Because he was ill, he didn’t go to work. 主将从现 when before as soon as not…until If unless 五 目的状语从句 so that/ in order that引导目的状语从句,从句 中常用情态动词may(might)/ can (could) \ /should. Eg:我提高声音以便每个人都能听见我。 I raised my voice so that everyone could hear me. 我起床早是为了能赶上早班车。 I got up early so that I could catch up the early bus. 六 结果状语从句 so…that/such…that Eg:他是如此的兴奋以至于说不出一个字。 He was so excited that he couldn’t say a word. 他讲了一个如此有趣的故事，以至于我们忘 了时间。 She told us such an interesting story that we all forgot the time. 当n.前有many或much修饰时，用so而不用such。 注： ①though和although可以互换，只是although比较正式。 ②though不可以与连词but连用，但可以与yet，still连用， 例：虽然他很努力，但还是没通过考试。 Though he worked hard, he couldn’t pass the exam. 八. 比较状语从句 比较状语从句常用than或as…as引导。 than表示两者的比较，as…as表示程度相同 我比TOM高。 I’m taller than Tom 他和我跑得一样快。 He runs as fast as I * * 状 语 从 句讲 练 状语从句可以根据其用途分为： 时间状语从句、地点状语从句、原因状语从句、结果状语从句、目的状语从句、条件状语从句、让步状语从句 When he came in, I was cooking. 他进来时，我在做饭。 He came in while I was cooking. She sang as she worked. 一边……一边…… When + 短暂性动词（常+一般过去时） While + 持续性动词（常+过去进行时） As 动作衔接紧密，表“伴随” 1.when,while,as “当…时” ※while 的其他含义： While I was walking down the street, I came across an old friend. ( while =_______) He likes pop music, while I am fond of folk music. ( while =_______) when but 2. before 在……前 It will be half a year before I come back. I had finished my homework before my f