1、=【 ;精品教育资源文库 】 = Unit 6 When was it invented 【 学习目标 】 1、 语法: 一般过去式的被动语态 2、重难点: 1) 用一般过去式的被动语态谈论物体是怎样被发明的。 2) 听懂相关听力对话。 【预习?合作?探究】 1. I think the TV was invented before the car. 我认为电视机先于汽车被发明。 【解析 1】 invent v 发明 inventor n 发明家 invention n 发明 辨析: invent/ discover/find/find out 吉尔贝特发现了电,而爱迪生发明了电灯泡。 Gib
2、ert _electricity, but Edison _ the electric light bulb. Bell _the telephone in 1876. Columbus _America in 1492. A. invent B. discover C. invented D. discovered 【解析 2】 一般过去时的被动语态 I. 定义 :表示过去某 一时间的被动动作或过去经常性、习惯性的被动动作,无需说明 动作执行者时可省去“ by + 动作执行者”。 II. 结构: 一般过去时的被动语态: 肯定结构: 主语 + was / were + 及物动词的过去分词 +
3、by + 动作执行者 (注: was, were的使用由主语的单复数形式而定,主语为第三人称单数名词、代词或 I 时用 was, 主语为复数名词、代词 they或 you 时用 were。) The teaching building was built six years ago. 否定结构:主 语 +was / were + not + 动词的过去分词 The window was not broken by him. 窗玻璃不是他打碎的。 疑问形式结构: was /were +主语 +动词的过去分词 (注:一般疑问句通常把 was / were 置于主语前。特殊疑问句形式应将一般疑问句置
4、于特殊疑问词后面,反意疑问句形式应保留 was / were。)Was your homework finished in time yesterday evening? Where were those buses made? III.一般过去时的被 动语态疑问句的回答方法 (1)一般疑问句形式肯定回答用 “ Yes, . was / were.” ,否定回答用 No, . wasn t / weren t.; =【 ;精品教育资源文库 】 = (2)特殊疑问句应抓住特殊疑问词进行回答,可用简略方法,也可用完整方法 ; (3)反意疑问句也应用 “ Yes, . was / were.” 或
5、“ No, . wasn t / weren t.” 进行回答。 Was your office cleaned yesterday afternoon? Yes, it was. / No, it wasn t. Where was the party held last Sunday? At home. / It was held at home. Your debt was paid off at last, wasn t it? Yes, it was. / No, it wasn t. 2. They re used for.? 它们被用来做 . 【解析】 be used for d
6、oing = be used to do sth 用来做某事 use 的用 法: (1) use v 用,使用 useful adj. 有用的 (2) use up = ran out of 用完,用尽 (3) use sth to do sth 使用某物做某事 (4)used to do sth 过去常常做某事 (5)be used to doing sth 习惯于做某事 (6)be used by +动作执行者 被 ? 使用 (7)be used as+名词 被用着 ?. 3. My pleasure! 这 是我的荣幸。 【解析】 please v 取悦 pleasure n 愉快 ple
7、ased adj.(人 )高兴的 (be pleased to do sth 愉快做某事 / be pleased with sth. 对 ?. 满意 ) pleasant adj.(物 )令人愉快的。 Its my _ _(please) to help you. They went to Qingdao and had a _(pleasure) trip. Im pleased _ _(meet) you. 4. Think about how often its used in our daily lives .想想看它在我们的日常生活中是多么经常被用到。 daily adj. 日常的
8、 ; 每日的 = everyday day n. 天,日 daily adj. 每日的: daily life 日常生活 There was little change in their _(day) lives 5. The pioneers of different inventions were listed there 不同发明的先驱被列在那里。 list n 列表 ; 列清单 n 名单 ; 清单 : make a list of . 制作 .的目录 6. For example, it mentioned that the zipper was invented by Whitcom
9、b Judson in 1893. 例如,它提到拉链是惠特科姆 .贾德森于 1839年发明的。 mention v提到 , 说起 : Dont mention it. 没关系,别客气 【形成性检测】 单项选择 。 =【 ;精品教育资源文库 】 = 1、 Last March, many trees _ along the streets to make our city more beautiful. A. were planted B. were planting C. had planted D. planted 2、 Shenzhou X, China s fifth manned sp
10、acecraft, _into space on June 11, 2013. A. has sent B. was sent C. will send D. is sent 3、 Wow! You have a ticket to the Expo! lt _by my uncle. He is working in Shanghai. A. has bought B. had bought C. is bought D. was bought 4、 We are glad to hear that the terrorists _ by the brave policemen severa
11、l days ago. A. are caught B. were caught C. have been caught D. are going to be caught 5、 Three bridges _ over the river five years ago. A. built B. build C. were built D. are built 6、 What doses your father think of your school report this term? The smile on his face shows that he is _ what I have done in my study. A. surprised at B.afraid of C.angry with D.pleased with