2018年中考英语专题复习习题课件：状语从句(共14张PPT).ppt

　状语从句 【真题体验】 1．__B__ I am in trouble，my classmates will help me out.( 4．—Come and join us，Betty！( 初中阶段常见状语从句用法见下表： 时间 状语 从句 when/while/as，before，after，since，until，as soon as She was cooking when someone knocked at the door. I didnt go to bed until she came back. Ill come to see you as soon as I arrive there. 条件 状语 从句 if，as long as，unless Ill go to see you if I have time. They will have a picnic unless it rains next Sunday. 原因 状语 从句 because，since，as，for He didnt catch the first bus because he got up too late. We should study hard since we are students. 目的 状语 从句 so that，in order that Please say it in a loud voice so that everyone can hear it. 结果 状语 从句 so that，so…that/such… that Its so hot that we want to go swimming. It is such a heavy box that nobody can move it away. 让步 状语 从句 though/although， even if，whenever，whatever Though he looks weak，he is healthy. 比较 状语 从句 than，as…as，not as/so…as He ran as fast as Mike. 地点 状语 从句 where，wherever Sit wherever you like. 注意： 1．在条件和时间状语从句中应用一般现在时态表示将来。 2．though与but；because与so不能用在同一个句子中。 3．while引导时间状语从句时，从句中的谓语动词必须是延续性动词。 4．too…to与so…that与enough to do sth.之间可互换。 5．if条件从句可与“祈使句＋and/or”互换。如： If we dont hurry，well miss the train. ＝Hurry up，or well miss the train. 【例1】 Mark isnt coming to the concert __ D _ he has got too much work to do. A．so B．until C．although D．because 点拨：“太多工作要做”是“没有来音乐会”的原因。 【例2】—You bought the car about ten years ago? —Yes._ C _ its old，it still runs well. A．Because B．Since C．Although 　D．But 点拨：考查让步状语从句。句意“尽管旧了，但它运转很好”。 【例3】 We will have no water to drink _ D __ we dont protect the earth. A．until B．before C．though D．if 点拨：考查if引导的条件状语从句。句意“如果我们不保护地球，我们将没有水喝。” 【例4】 I enjoy fresh air so I always with the window open ___ A _ it is really cold. A．unless B．when C．if D．since 点拨：句意“我喜欢新鲜空气，因此我总是让窗户开着，除非真的很冷。”故unless“除非”符合题意。 【例5】 Zhou Libo is my favourite funny man.He is good at making people laugh.His lively shows were __ D _ hot that tickets were sold out in minutes. A．very B．too C．such D．so 点拨：句中的句型为so…t