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(共14张PPT)
Unit 5
What are the shirts made of
Grammar focus
学完本节课，学生能够：
1.熟练掌握以下词汇和短语：Germany,surface, material, traffic, punish, glove.
2.理解一般现在时被动语态的结构 “am/is/are + 动词过去分词”，并能正确运用。
3.学会将主动句转换为被动句，且能在写作与交流中灵活使用被动语态。
学习目标
Germany 德国
surface n. 表面
material n. 材料
glove n. 手套
punish v. 处罚
traffic n. 交通
New words
Grammar Focus
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.
看句子 找规律
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.
Passive voice
被动语态
am / are / is + 动词的过去分词
一般现在时的被动语态:
Presentation
语法重点：一般现在时的被动语态
定义
当主语是动作的执行者时，谓语的形式为主动语态；
当主语是动作的承受者时，谓语要用被动语态。
eg: Many people speak English.
English is spoken by many people.
动作的执行者
动作的承受者
构成
be动词 ＋ 及物动词的过去分词
句型
肯定句: 主语 + be +及物动词的过去分词+ (by…)
否定句: 主语 + be + not +及物动词的过去分词+ (by…)
一般疑问句：Be + 主语 +及物动词的过去分词+(by…)
特殊疑问句：疑问词 + be + 主语 +及物动词的过去分词+ (by…)
Many people
English.
speak
English
主语 + 谓语动词主动语态(一般现在时) + 宾语
主语 + 谓语动词被动语态(be + done) + (by + 动作执行者)
is spoken
by many people.
主动语态 变 被动语态的方法
宾变主，把be补
动词跟，变过分
原主by后做宾语
方法口诀：
Presentation
主动表被动
注意
1. 系动词get，turn，become，seem，look，sound，smell，taste，feel + adj.
That dog looks cute. 那条狗(被)看起来可爱。
2. need, want, be worth + doing
My flowers need watering. 我的花需要(被)浇水。
3. 物 + write，wash，sell，read，clean，drive
This kind of skirt sells well here. 这种裙子在这里(被)卖得好。
不能被动
不及物动词：take place （发生），happen（发生），come out（发生），break out（爆发）， appear（出现）， disappear（消失），last（持续）等。
Practice
1.English_____________ (use)as a foreign language in our country.
2.Flowers _________ （grow）in the park.
3.He ___________ (not allow)to go out with his friends on weekends.
4.When _____ they ________ (invite) to come here
一、用正确的形式填空。
is used
are grown
isn’t allowed
are
invited
Complete the sentences with the correct forms of the verbs in brackets.
4a
Children under 18 __________________ (not allow) to watch this show without their parents.
2. We _____________ (pay) by the boss on the last Friday of every month.
3. A: What language ______________ (speak) in Germany
B: Most people speak German, but many can speak English, too.
4. Most of the earth’s surface ______________ (cover) by water.
5.The classroom _____________ (clean) by the students every day.
aren’t allowed
are paid
is spoken
is covered
is cleaned
Germany 德国
German 1.n.德国人，
复数Germans
2.n.德语
3.adj.德国(人）的；德语的
be (not) allowed to do sth. (不)被允许做某事
allow sb. to do sth. 允许某人做某事 allow doing sth. 允许做某事。
Practice
二、把下列的主动句变为被动句。
People play football all over the world.
2. The old man on TV tells a story on Sunday.
3. Students listen to the kind teacher carefully.
Football is played all over the world by people.
A story is told by the old man on TV on Sunday.
The kind teacher is listened to by students carefully.
宾变主，把be补
动词跟，变过分（过去分词）
原主by后做宾语（可以省略）
代词宾格要记住
Rewrite the sentences using the passive voice.
4b
1. Farmers plant the tea on the sides of mountains.
_____________________________________________________
2. This shop uses the best materials to make dresses.
___________________________________________________________
3. The judge punished the careless driver for traffic accidents.
___________________________________________________________
4. The postman brings letters and postcards to people’s home.
___________________________________________________________
5. Our family does not use this silver plate very often.
___________________________________________________________
The tea is planted on the sides of mountains by farmers.
The best materials are used by this shop to make dresses.
The careless driver was punished for traffic accidents by the judge.
Letters and postcards are brought to people’s home by the postman.
This silver plate isn’t used very often by our family.
材料
粗心的
交通事故
银
Group work
Ask five classmates about something they are wearing or have in their schoolbags. The list of words below may help you.
4c
pencil, jacket, sweater, T-shirt, shoes, cap, gloves, ring, earrings ...
What’s your pencil made of
It’s made of wood.
Where was it made
It was made in Shanghai.
Summary
Key words
Germany, surfac,material, traffic,
punish, glove
Useful expressions
be allowed (not) to do sth., traffic accidents
Sentences
① Are your shirts made of cotton
② How is tea produced
③ Tea plants are grown on the sides of mountains.
Grammar
Passive voice in simple present tense
Homework
1
2
必做题：完成学案题目+背诵GF句子
探究性作业：用被动语态描述5件日常用品。
Homework

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