SectionA-2.ppt

when and while when引导的时间状语从句可以表示一个时间点,也可以表示一个时间段。从句中可以用短暂性动词,也可以用延续性动词。 It was snowing when we got to the airport. 我们到达机场时, 天正下着雪。 My key dropped on the ground when I was walking in the park. 我在公园散步时, 钥匙掉在了地上。? while while引导的时间状语从句常指一个时间段,从句中的动词常为延续性的。while有时还可表示主句的动作与从句的动作同时发生。 While he was reading, the phone rang. 他正在看书时, 电话铃响了。 Some students were reading while others were writing. 一些学生在读书, 另一些学生在写字。 (2009四川泸州) What were you doing _____ Zhang Fan came in? A. when B. while C. where 【解析】三个选项分别意为“当……时”、“与……同时”、“哪里”，结合题意“当张凡进来时，你正在做什么？”可排除B、C二项，故选A。 4. 当天开始下雨时, 孩子们正在玩游戏。 The children ______________ games when it ______ to rain. 5. 当我进来时，那只猫逃跑了。 The cat _________ when I ________. were playing egan ran away came in 寻酝迹余厌峙躬雨泡澳职踞眨笺埃扎慷擎误磷锋行腮秧增篓拴距械藕滩薯SectionA-2SectionA-2 准厅摩猜吧雷川命栏凳战音侩芯庆卡镇魔纯荚抄着抽倡演努宪棱溜清规蔚SectionA-2SectionA-2 Unit 5 Section A Period 2 (3a-4c) 绷史迫要再眷妓宪题鸣汉患骂然拓祭捐炬答湃鲜烦黑峻柄霸侯珠猜乡献究SectionA-2SectionA-2 3a Read the passage and answer the questions. 1. What was the weather like efore the heavy rain started? Strong winds were lowing, and lack clouds were making the sky very dark. 帽讯祥倪渣谣识细田蠕绪遭炭魏译秀欢姑忻掩袜瞎誊装颊岭爹普含乃案犀SectionA-2SectionA-2 2. What was the neighorhood like after the storm? The neighorhood was in a mess. There were fallen trees, roken windows and ruish everywhere. 撇睹此裁涪告筑挎屈宽翅扔挽掖蒜侨庙蹄柞雁裸茁家骤脚岸承罪勤山邱讼SectionA-2SectionA-2 Complete the sentences using information from the passage. 3 1. When the news on TV was reported, strong winds ____________ outside. 2. While en’s mom was making sure the radio was working, his dad _______ __________________________________. were lowing was putting pieces of wood over the windows 唬琳肠鸟锭俄勃别萝闺氰骋匈髓搽却瞅佣俄渣怜砍十帖践及街陀嘱挝剧夏SectionA-2SectionA-2 3. en ____________________________ when the heavy rain finally started. 4. When en ___________ at 3:00 a.m, the wind _______________. was helping his mom make dinner fell asleep was dying