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1、Unit 5 What are the shirts made of?Section A 3 (Grammar Focus-4c)一、教学目标： 1. 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Section A 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：了解一些日常用品的制成材料，增加生活常识，
2、养成良好的生活习惯； 二、教学重难点 1. 教学重点：1) 复习巩固Section A 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：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. Warming- up and revision 1. Have a dictation of the new words learned in the last class. 2. Review some main phrases we learned in the last class. Check the homework
3、. . 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。 Its produced in many _ _. 茶是如何制成的？ _ is tea _? 茶树种植在山坡
4、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 一、被动语态 当主语为动作的执行者时, 谓语的形式为主动语态; 当主语为动作的承受者时, 谓语要用被动语态。e.g. Many people speak English.
5、（主动语态, 句子的主语many people是动作speak的执行者） English is spoken by many people. （被动语态, 句子的主语English是动作speak的承受者）二、被动语态的构成 被动语态由“助动词be + 及物动词的过去分词”构成。与主动语态一样，被动语态也有时态、人称和数的变化, 其变化规则与be作为连系动词时完全一样。肯定式否定式疑问式一般现在时I am asked He/She is asked We/You/They are askedI am not askedHe/She is not askedWe/You/They are not
6、 asked Am I asked ?Is he/she asked ?Are we/you/they asked ?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，
7、并找出句子的宾语。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.V. Talking 1. Ask five classmates about something they are wearing or have in their schoolbags. The list of words below may help you. (Learn so
8、me 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。 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.