资源简介

(共37张PPT)
Unit 5
What are the
shirts made of
Section A
(Grammar Focus-4c)
1 Lead in
3 Practice
5 Exercises
Grammar
Summary
Homework
Contents
2
4
6
学习目标
LEARNING OBJECTIVES
语言能力：能够在不同语境中，通过观察归纳，同伴合作等方式，正确得出被动
语态的基本结构，理解和使用被动语态的一般现在时结构，并能将主动语态和被 动语态进行自由转换。
文化意识：能够在讨论制造原材料的语境中，拓宽知识面，培养跨文化交际意识，
提升学生民族自豪感。
思维品质： 通过观察归纳小组合作等方式，探究被动语态的一般现在时结构，提
高思维的逻辑性，加强语言表达的准确性。
学习能力：能够在学习过程中积极思考，主动探究，保持学习英语的兴趣，发现
并尝试使用多种策略解决语言学习的问题，积极进行拓展性运用。
01 Lead in
Watch a video
Active voice
VS
Passive voice
Presentation
Active Voice【主动语态】 Passive Voice 【被动语态】
I sing the song. The song is sung by me.
You play the song. The song is playe by you.
He plays the drums. The drums are playe by him.
She sings the song. The song is sun by her.
It sings the song. The song is sun by it.
We sing the song. The song is sung by us.
They play the drums. The drums are playe by them.
主语为动作的执行者时，谓语形式主动语态
主语为动作的承受者时，谓语形式被动语态
被动语态的基本形式：
be+动词的过去分词
02 Grammar
Yes, they are. And they were made in the US.
of cotton
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.
一般现在时的被动语态
Passive voice: Tea is grown (by people) in Hangzhou.
Active voice: People grow tea in Hangzhou.
of used wood and glass.
in many different areas.
How is tea produced
’s the model plane
找出被动语态
Are your shirts
produced
’s produced
Grammar
in China
’s made
Where
made
What
made
tea
of
is
It
It
Grammar 一般现在时的被动语态
be有各种时态变化，其中一般现在时的被动语态中be动词是am, is, are.
被动语态要强调说明动作的发出者就加上by+sb. （被某人）
后面能接宾语的动词才有被动语态
am/is/are + 动词的过去分词(+by)
Grammar
一般现在时被动语态的基本用法
The windo is broken by someone.
1. 不希望表达出人称或者不知道动作的执行者是谁。
When it is cold enough, wate is turned into ice.
2. 读起来更客观严谨，使人信服。
I is generall considered impolite to ask one’s age, salary and marriage.
3. 使用的习惯使然。
Grammar am/is/are + 动词的过去分词(+by)
一般现在时的被动语态的句子类型
句式 结构
例句
肯定句 主语+ is/ are +过去分词+其 他.
English is spoken by many people.
company
否定句 主语+ isn’t/ aren’t +过去分 词+其他.
They aren’t allowed to go into the
house.
一般疑问 句及回答 Is/Are+主语+过去分词+其他 肯定回答: Yes, 主语+ is/ are. 否定回答: No, 主语+ isn’t/ aren’t.
Is the car made by a Japanese
— Yes, it is./
No, it isn’t.
特殊疑问 句 特殊疑问词+一般疑问句
What are the shirts made of
规则动词
不规则动词
am/is/are + 动词的过去分词(+by)
VS
1.规则动词的过去分词： 2) 在动词原形后加ed
1. Vegetables are (wash) and _ (prepare).
1) 以不发音e结尾的加d
2. Eggs are poured (pour) and stirred (stir) for 10s.
3) 以重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加ed
3. Pepper slices and salt are added (add).
4.The recipe is studied (study) by Pam and Liu Jun.
4) 以辅音加y结尾的，去y变i加ed
分类记忆不规则变化，如：
AAA型： read – read – read
ABB型： buy – bought – bought
ABC型： see – saw – seen
2. 不规则动词的过去分词：
Grammar 主动语态变为被动语态的方法
第一步：将主动语态的宾语改为被动语态的主语；
第二步：将主动语态的谓语改为“be+及物动词的过去分词”结构；
第三步：将主动语态的主语改为介词by的宾语，放在谓语之后(有时可省略)。
如图示：
主动语态:
in the south-east of China
被动语态
Tea (
主语）
by them
is grown (
谓语）
.
in the south-east of China.
口诀:
原宾变现主 原主变现宾 谓语变被动 加之by引导
grow (
谓语）
主语）
宾语）
They (
tea (
:
Practice
把下列的主动句变为被动句。
1. People play football all over the world.
Football is played all over the world by people.
2. The old man on TV tells a story on Sunday.
A story is told by the old man on TV on Sunday.
3. Students listen to the kind teacher carefully.
The kind teacher is listened to by students carefully.
Tips
特殊情况
含有双宾语的主动语态变被动语态
含有短语的主动语态变被动语态
感官动词和使役动词的被动语态
The house is fixed
1 含有短语的主动语态变被动语态 My father fixes up the house. The house is fixed by my father. up by my father.
动词短语在变被动语态 的时候，不能去掉构成 短语动词的介词或副词； 要当作一个整体.
2 含有双宾语的主动语态变被动语态 Tom gives me a book . 当指“人 ”的间接宾语变为主 语，指“物 ”的直接宾语保留 不变；如果把指“物 ”的直接 宾语变为主语，则在间接语前 加to或for
I am given a book by Tom.
间接宾语做主语
A book is given to me by Tom.
直接宾语做主语
3 感官动词和使役动词的被动语态
I see a heavy man enter the house.
A heavy man is seen to enter the house.
口诀：
一感二听三让四看
主动to出去；被动to回来
主动句中感官动词see / hear / watch / feel等和使役动词
make / let / have等后跟省略to
的动词不定式，变为被动语态 时应加上不定式标志to
03 Practice
Complete the sentences with the correct forms of the verbs in
brackets.
1.Children under 18 aren’t allowed (not allow) to watch this show
without their parents.
2. We are paid (pay) by the boss on the last Friday of every month.
3. A: What language is spoken (speak) iGermany
B: Most people speak German, but many can speak English, too.
4. Most of the earth’s surface is covered (cover) by water. 5.The classroom is cleaned (clean) by the students every day.
4a
4b Rewrite 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 farmers.
2. This shop uses the bes materials to make dresses.
The best materials are used by this shop to make dresses.
3. Careless driving causes many traffic accidents.
Many traffic accidents are caused by careless driving.
4b Rewrite the sentences using the passive voice.
4. Th postman brings letters and postcards to people’s homes.
Letters and postcards are brought to people’s homes by the postman.
5. Our family does not use this silver plate very often.
This silver plate is not used very often by our family.
4c Ask five classmates about something they are wearing or have
What’s your pencil made of
It’s made of wood.
It was made in Shanghai.
pencil, jacket,
sweater, T-shirt, shoes, cap,
gloves, ring,
earrings ...
in their schoolbags. The list of words below may help you.
Where was it made
Make a conversation
帽子
What’s you cap made of
Where was it
made
It was made in Beijing.
It’s made of cotton.
Make a conversation
What are your
gloves made of
Where were they made
They were made in
Xinjiang.
They are made of wool.
手套
Make a conversation
What’s your
ring made of
It was made in Hongkong.
Where was it made
It’s made of silver.
04 Summary
Summary
boss, Germany, surfac,material, traffic,
postman,cap, glove
① Are your shirts made of cotton
② How is tea produced
③ Tea plants are grown on the sides of
mountains.
be allowedn (not) to do sth., traffic accidents
Passive voice in simple present tense
Key words
Useful
expressions
Grammar
Sentences
05 Exercise
一、单选
1. This pair of shoes D hand, and it very comfortable.
A. are made from, is felt B. is made with, is felt
C. are made of , feels D. is made by, feels
2. Attention, please! Without permission, children are not allowed A alone
here.
A. to swim B. swimming C. swim D. swam
3. It is said that two B and three are going to visit our school next week.
A. German, Japanese B. Germans, Japanese
C. Germanys , Japans D. Germany, Japan
二、根据汉语及首字母提示填空
1.Yesterday, He bought some material to do experiment.
2.In winter, most people wear their boots and gloves .
3.Both his father and his uncle are postmen （邮递员） .
4. Most of the earth's surface （表面） is covered by water.
5.I want to go Germany to learn German.
6.When the traffic lights are red, pedestrians mustn't cross the road.
三、用正确的形式填空。
1.English is used (use)as a foreign language in our country.
2.Flowers are grown （grow）in the park.
3.He isn’t allowed (not allow)to go out with his friends on weekends.
4.When are they invited (invite) to come here
08 Homework
Homework
1. Write something about an everyday item with passive voice.
2. Write a passage about how tea is produced.
Well begun is half
done.

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