【公开课】Unit6 When was it invented ？SectionA2d&Grammar Focus 语法课课件(共31张PPT)+导学案+音视频

中小学教育资源及组卷应用平台 Unit 6 When was it invented? SectionA 2d&Grammar focus-4c导学案 【学习目标】 1．掌握下列词汇：project，pleasure，zipper，daily，have a point, bell，musical，instrument，biscuit，fridge，low。 2．根据所学内容，进一步学习运用一般过去时态的被动语态。 3．通过开展小组学习活动，培养协作意识。 【学习重难点】 1. 一般过去时态的句子变为被动语态。 2. 综合运用所学的知识进行练习运用。 【自主预习】 完成句子。 1. 拉链什么时候发明的？When _____ the zipper _____ ? 2. 1893年发明的。It ___ _____ in 1893. 3. 它是谁发明的？ Who _____it _____ ___ ? 4. Whitcomb Judson发明的。It ____ _____ ___Whitcomb Judson. 5. 茶什么时候带到韩国的？When ___ tea _____ ____Korea？ 6. 第六世纪和第七世纪间带到韩国。 It ____ _____ _____ Korea during the 6th and 7th centuries. 7.冰激凌加热勺是做什么用的？ What _____ the hot ice-cream scoop _____ _____? 8.它是用来盛真正冷的冰激凌的。 It____ _____ _____ _____ really cold ice-cream. Alexander Graham Bell 1876年发明电话。 【合作探究】 探究一: 完成教材2d的任务 1.读2d对话，并回答下面问题。 1).What is the subject for their school project? 2). What kind of invention does Roy think of? 3). Why does Roy think it is a great invention? 4). Who and when was the zipper invented? 5). When did the zipper become popular? 2. 读对话，并分组进行角色扮演。并在全班面前展示。 3. 根据对话完成下面短文。 Do you know how small _____ changed the world? That’s the subject for my _____ _____. I want to introduce the _____. It is _____ a great invention _____ it is often _____ in our _____ _____. Zippers can _____ _____ _____ dresses, _____ , shoes, bags, almost everywhere. I have seen on a _____ that the _____ of different inventions were _____. There it _____ that the zipper was invented _____ Whitcomb Judson in 1893. But it wasn’t used _____ at that time. In around 1917, it became _____. 探究二 、语法精讲。 1．一般过去时的被动语态的构成 一般过去时的被动语态表示在过去某一时间发生的被动性动作，由“was/were＋及物动词的过去分词＋by＋动作执行者”构成，无须说明动作的执行者时可省略“by＋动作执行者”。如： The flowers were watered by Lucy.这些花是露西浇的水。 The bridge was built in 1987.这座桥是在1987年建造的。 2．一般过去式的被动语态的基本句式 句式 构成 例句 肯定句 主语＋was/were＋及物动词的过去分词(＋其他)． These cakes were made by my sister last night.这些蛋糕是我的姐姐昨晚做的。 否定句 主语＋was/were＋not＋及物动词的过去分词(＋其他)． The watch was not found yesterday afternoon.那块手表昨天下午没有被找到。 一般疑问句及答语 Was/Were＋主语＋及物动词的过去分词(＋其他)?肯定回答：Yes，主语＋was/were.否定回答：主语＋wasn't/weren't. —Was the book written in English？这本书是用英语写的吗？—Yes，it was.是的，它是。—No，it wasn't.不，它不是。 特殊疑问句 特殊疑问词＋was/were＋主语＋及物动词的过去分词(＋其他)？ When were the photos taken？这些照片是什么时候拍的？Where was the pet dog found？那个宠物狗是在哪儿被发现的？ 3. 使用被动语态的注意事项 (1)含有双宾语的主动结构变被动结构时，不要忽略间接宾语前的介词。如： We gave some flowers to Miss Gao on T ... ...