1、Unit 5 What are the shirt made of ? Section A3 (Grammar Focus-4c) 一、教学目标：教学目标： 1. 语言知识目标：语言知识目标： 1)学习掌握下列词汇：boss, Germany, surface, material, traffic, postman, cap, glove 2) 进行一步复习巩固学习 SectionA 部分所学的生词和词组。 3) 对询问物品的制作材料、生产地点、生产制作过程等语句进行归纳总结和 探究学习。 4) 掌握被动语态的用法，并通过不同方式的练习，来熟练掌握被动语态。 2. 情感态度价值观目标：情感态度
2、价值观目标： 了解一些日常用品的制成材料，增加生活常识，养成良好的生活习惯； 二、教学重难点教学重难点 1. 教学重点：教学重点： 1) 复习巩固 SectionA 部分所学的生词和词组，达到熟练运用的目标。 2) 被动语态的用法。 2. 教学难点：教学难点： 1) 探究学习询问物品的制作材料、生产地点、生产制作过程等句型。 2) 被动语态的用法。 三、教学过程三、教学过程 . Warming up and revision 1. Have a dictation of the new words learned in the last class. 2. Review some main p
3、hrases we learned in the last class. Check the homework. . Grammar Focus. 1. 学生阅读 Grammar Focus 中的句子，然后做填空练习。 你的衬衫是棉的吗？ _ your shirts _ _ cotton? 是的，而且它们产于美国。 Yes.And they were _ _ the US. 飞机模型是由什么制成？ _ the model plane _ of ? 它是由旧木头和玻璃制成。 Its made of _ _ and _ 茶产自中国哪里？ _ _ tea _ in China? 茶产自很多不同的地区
4、。 Its produced in many _ _. 茶是如何制成的？ _ is tea _? 茶树种植在山坡上。当茶叶长成后，它们被手工采摘下来，然后送去加 工。 Tea plants _ _ on the sides of the mountains. When the leaves are ready they _ _ by hand and then _ _for _. 在杭州人们种植茶叶。 People_ _ in Hang Zhou. Tea _ _ (by people) in Hang Zhou. . Summary 被动语态 定义：语态是动词的一种形式，用于表明主语与谓语之
5、间的关系。 主动语态：表示主语是动作的执行者 被动语态：表示主语是动作的承受者 Decide if these sentences are active or passive. 1. We call the doctor. 2. The classroom was cleaned in the morning. 3. Tom played football on theplayground yesterday. 4.Our English class is taught by Miss Chen. 被动语态的使用： 当我们要强调动作的承受者时 e.g. The baby is looked a
6、fter by her mother. 这婴儿是由她妈妈照顾的。 2. 当不知谁是动作的执行者，或者没有必要指出谁是动作的执行者时 e.g. This kind of car is made in Shanghai. 这种小车在上海生产。 被动语态的基本结构: be + 及物动词的过去分词 be 有各种时态的变化，并有人称和数的变化 【练习】Nowadays Chinese _ by more and more people all over the world. A. is spokenB. was spokenC. speaks Keys: A WespeakEnglish. 主语谓语宾语
7、 Englishis spokenby us. 主语谓语宾语 宾变主；主变宾,前加 by。 主变被解题步骤： 1. 宾语动作的承受者 2. 判断宾语的单复数be 动词的单复数. 3. 判断动词的时态be 动词的时态. 4. 修改谓语的时态原句动词改为过去分词 5. 修改原句的主语by+ 主语/ 宾语. e.g. They make shoes in that factory. Shoes are made by them in that factory. 一般现在时被动语态 1. 肯定句 结构：主语+ am/is /are+及物动词的过去分词(+by+动作的执行者)。 e.g. 我们房子的窗户
8、一星期擦一次。 The windows of our house are cleaned once a week. 2. 否定句 结构：主语+ is/am/are not+及物动词的过去分词+其他. e.g. 我们房子的窗户并不是一星期擦一次。 The windows of our house arent cleaned once a week 3. 一般疑问句 结构：is, am, are+主语 +及物动词的过去分词+其他? e.g. 我们房子的窗户一星期擦一次吗？ Are the windows of our house cleaned once a week? 【练习】将下列句子改成被动
9、语态。 1. We use computers to search information. 2. The teacher often repeats the story. 3. Bill looks after his cats carefully. 4. We dont often speak English at home. Keys: Computers are used to search information by us. The story is often repeated by the teacher. The cats are carefully looked after
10、 by Bill. English isnt often spoken by us at home. IV.IV. Practice 1. Work on 4a: Tell Ss to read the sentences in 4a and try to fill in the blanks with the correct forms of the verbs in brackets. Learn some new words. 2. Work on 4b: 1) 让学生们阅读句子，理解句子的意思，为进行句子转换做好准备。 2) 将主动语态句变为被动语态句时，应先确定句子的谓语动词，并找出
11、句 子的宾语。然后，将句子的宾语变成被动句的主语，将谓语动词变成 be+ V-ed 形式。 3) 逐句进行分析推敲，确定括号中单词的恰当时态。 4) 最后，通读一遍句子，进行综合理解，看句子是否通顺，合理。 5) Check the answers with the Ss. Learn some new words. 中考真题 1. Why does the earth look blue in space? Because most of the earths surface _ by water.（2016 黄石） A. coversB. is covered C. coverD. are
12、 covered 【解析】 首先根据空处的句子表述的是客观事实， 所以一般现在时， 主语 most of the earths surface 是 cover 的承受者，“被覆盖”，主语是不可数名词。 2.Ayear has four seasons and it _ twelve months.（2016 十堰） A. divided into B. is dividing into C. was divided into D. is divided into 【解析】 “一年有四个季节”可知描述客观真理，为一般现在时，主语 it 代指 a year 是谓语 动词 divide into 的
13、承受者，形成被动关系。 3. Chinese New Year _ the Spring Festival. People often eat dumplings. （2016 长春） A. is calledB. was called C. callsD. called 【解析】 “中国的新年被称作春节，人们经常吃饺子”。表述的是一般性的事实，用一般现 在时。主语 Chinese New Year 是动作 call 的承受者，表示“被称作”。 4. Everyone in our class _ to take part in the English Speech Contest.(2015
14、山东 烟台) A. is encouragedB. encourages C. are encouragingD. are encouraged 5. To our surprise, the walls of the new book store _ books.(2015 福建厦门) A. are lined withB. is lined withC. have lined with 6. Chengdu is a greener city now because more and more trees _ every spring. (2015 四川成都) A. were plante
15、dB. are plantedC. will be planted 7. Can Mr. King spare some time for the charity show? If he _, he will try his best to make it.(2015 江苏盐城) A. will be invitedB. is invited C. invitesD. invited V. Talking 1.Ask five classmates about something they are wearing or have in their schoolbags. The list of
16、 words below may help you. (Learn some new words.) 2. Let one pair read out the conversation in the box as a model. 3. 提示学生们运用左侧方框中的示例词。 4. 让学生们以小组为单位分别自主发挥，用英语谈论自己的物品的制作材料 及生产地点。 . Exercise 根据短文内容及括号内所给(短语)动词的提示，用正确的时态和语态补全短文， 使短文完整、通顺。 My favorite funny story in The Adventures of Tom Sawyer is whe
17、n Tom (1)_(tell) by his aunt to paint the gate white. The work is a punishment because he (2)_(miss) school one day. Of course, he doesnt want to do any work. At first, Tom (3)_(watch) by his friends and (4)_(laugh at), so he feels quite bad. But soon he turns the situation round, and he (5)_(help)
18、by his friends instead. Tom says that he enjoys painting the gate white, and his friends want to try. He (6)_(ask) each friend to give him something valuable (宝贵的), and in return (作为回报) they (7)_(allow) to do some of Toms work. Homework 将下列句子变成被动语态句 1. We use computers to search information. 2. The teacher often repeats the story. 3. They dont allow fishing here. 4. Bill looks after his cat carefully. 5. We dont often speak English at home.
