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课件网) Unit 5 What are the shirts made of The Third Period Section A(Grammar Focus—4c) Warming up and revision 两人一组讨论一下同学们的衣着服饰和学习用品。可以借鉴下面的对话： A: What’s your pencil made of B: It’s made of wood.A: Where was it made B: It was made in Shanghai. Are your shirts made of cotton Yes,they are.And they were made in the US. What’s the model plane made of It’s made of used wood and glass. Where is tea produced in China It’s produced in many different areas. How is tea produced Tea plants are grown on the sides of mountains. When the leaves are ready, they are picked by hand and then are sent for processing. Active Voice:People grow tea in Hangzhou. Passive Voice:Tea is grown (by people)in Hangzhou. Grammar Focus 语法拓展 一般现在时的被动语态 一、被动语态的概念 英语动词有两种语态：主动语态和被动语态。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。本单元主要介绍的是一般现在时的被动语态。 二、一般现在时的被动语态的基本结构 1.肯定句式：主语+is /am /are+及物动词的过去分词+其他. e.g. English is spoken by many people in this city.这个城市里很多人说 英语。 2.否定句式：主语+is/am/are+not+及物动词的过去分词+（by）其他. e.g. The room isn’t cleaned by my sister. 这个房间不是由我姐姐打扫的。 3. 一般疑问句式：Is/Am/Are+主语+及物动词的过去分词+（by）其他？ e.g. —Are your clothes washed by yourself 你的衣服是你自己洗吗？ —No, I’m not. 不，不是。 4. 特殊疑问句式： （1）疑问副词或代词（不作主语）+is/am/are+主语+及物动词的过去分词+其他？ e.g. What is the ring made of 戒指是用什么制作的？ （2）疑问代词（作主语）+ is/am/are + 及物动词的过去分词 +其他？ e.g. Which kind of cars is made in Shanghai 哪种车是上海制造的？ 三、主动语态变为被动语态的方法 1.主动语态的宾语变为被动语态的主语； 2.主动语态的谓语动词变为“be+及物动词的过去分词”形式； 3.主动语态的主语变为by引导的短语放在主谓结构之后，在意思明确的时候可以省略。 1. People under 18 _____(not allow) to drive in China. 2. We _____(pay) by the boss on the last Friday of each month. 3.A: What language _____(speak) in Germany B: Most people speak German,but many can speak English, too. are not allowed are paid is spoken Complete the sentences with the correct forms of the verbs in brackets. 4a 4.Most of the earth’s surface _____ (cover) by water. 5.The classroom _____(clean) by the students every day. is covered is cleaned 1. Farmers plant the tea on the sides of mountains. _____ 2. This shop uses the best materials to make dresses. _____ The tea is planted on the sides of mountains by farmers. The best materials are used to make dresses by this shop. Rewrite the sentences using the passive voice. 4b 3. The judge punished the careless driver for the traffic accident. _____ 4. The postman brings letters and postcards to people’s homes. _____ _____ 5. Our family does not use this silver plate very often. _____ The careless driver was punished by the judge for the accident. Letters and postcards are brought to people ... ...
