Unit5sectionA4a4c课件人教英语九年级全册

1、Unit 5 What are the shirts made of? Section A 4a-4c 1Unit 5 What are the shirts mad To learn Passive voice with present tense How to use the passive voice to communicate the raw materials of everyday things.Learning Objectives2 To learn Passive voice with Revision1.在.制造2.由.制成3.在过去4.不论；无论5.在将来be made

2、 inbe made of/fromin the pastno matterin the future3Revision1.在.制造be made in3Free-talkA: What is your coat made of? B: A hundred percent cotton.A: What about your hat?B: .4Free-talkA: What is your coat Cotton. It is very soft!What is your shirt made of?Where was it made?It was made in America.5Cotto

3、n. It is very soft!What iPresentationGrammar Focus6PresentationGrammar Focus6Active voice: People grow tea in Hangzhou.Passive voice: Tea is grown (by people) in Hangzhou.一般现在时的被动语态Grammar Focus7Active voice: People grow tea 探究 被动语态1.概念：当主语时动作的承受者时，主语和谓语之间 是被动关系，此时就要用被动语态。2.结构：be+ 及物动词的过去分词。8探究 被动语态

4、1.概念：当主语时动作的承受者时，主语和谓探究 一般现在时的被动语态1. 结构： am/is/are+及物动词的过去分词这种类型的自行车是在北京制造的.This kind of bike is made in Beijing.9探究 一般现在时的被动语态1. 结构： am/is/ar2. 如果强调动作或行为的执行者就用介词by引出。这只风筝是我爸爸做的。The kite is made by my father.102. 如果强调动作或行为的执行者就用介词by引出。103. 一般现在时的被动语态句式结构：句式结构肯定句否定句一般疑问句主语+ am/is/are+及物动词的过去分词（+by）主语

5、+ am/is/are + not及物动词的过去分词(+by）Am/Is/Are+主语+及物动词的过去分词（+by）113. 一般现在时的被动语态句式结构：句式结构肯定句否定句一般The ring is made of silver.(先改为否定句，再改为一般疑问句)_._?活学活用 The ring is not made of silverIs the ring made of silver12The ring is made of silver.活学活主动语态和被动语态的转化1.确定主动句的主语、谓语和宾语2.把主动句里的宾语变为被动句的主语，若主动句里 的宾语是人称代词，要将宾格变为主

6、格。3.把谓语变成被动结构“be+动词的过去分词”，但 时态不能改变。4.把主动语态中的主语放在介词by后作宾语，若主语 是人称代词，应把主格变为宾格。13主动语态和被动语态的转化1.确定主动句的主语、谓语和宾语13活学活用 They visit our school every year. (变被动语态)Our school is visited by them every year.14活学活用 They visit our school eveComplete the sentences with the correct forms of the verbs in brackets.4a

7、Children under 18 _ (not allow) to watch this show without their parents. We _ (pay) by the boss on the last Friday of each month.arent allowed are paid15Complete the sentences with th3. A: What language _ (speak) in Germany? B: Most people speak German, but many can speak English, too.4. Most of th

8、e earths surface _ (cover) by water.5. The classroom _ (clean) by the students every day.is spokenis covered is cleanedn.表面；表层163. A: What language _4bRewrite the sentences using the passive voice.1. Farmers plant the tea on the sides of mountains. The tea is planted on the sides of mountains by far

9、mers.2. This shop uses the best materials to make dresses. _The best materials are used by this shop to make dresses.174bRewrite the sentences using 3. Careless driving causes many traffic accidents. _4. The postman brings letters and postcards to peoples homes. _5. Our family does not use this silv

10、er plate very often._Many traffic accidents are caused by careless driving.Letters and postcards are brought to peoples homes by the postman.This silver plate is not used very often by our family./This silver plate is not used by our family very often.183. Careless driving causes man4cAsk five class

11、mates about something they are wearing or have in their schoolbags. The list of words below may help you.pencil, jacket, sweater, T-shirt, shoes, cap, gloves, ring, earrings .A: Whats your pencil made of?B: Its made of wood.A: Where was it made?B: It was made in Shanghai.n.(分手指的)手套194cAsk five class

12、mates about soWhats your pencil made of?Its made of wood.Where was it made?It was made in Shanghai. 20Whats your pencil made of?ItHow about your gloves? Were they made in Beijing?No, they werent. They were made in Hangzhou. What are they made of?They are made of wool.21How about your gloves? Were th1. My friend often sends some nice presents to the poor. children.(改为被动语态) Some nice presents _ often _ to the poor children _ my friend.2. The monkey is used to help