The Passive Voice

made by Zhou

water watered watered

use used used

study studied studied

stop stopped stopped

do did done

ride rode ridden

For example

My bike was repaired by Tom.

Tom repaired my bike.

My bike could be repaired by Tom.

Tom could repair my bike.

She waters the flowers every day.

The flowers

What does she do every day?

every day.are watered by her

They do their homework after school.

Their homework is done by them after school.

He plays basketball every week.

Basketball is played by him every week.

My mother sweeps the floor every day.

The floor is swept by my mother every day.

jacket

The jacket is used for keeping warm.

The jacket is made in Guangzhou.

Guangzhou

keeping warm

Zhengzhou

knives

cutting things

summary 英语中动词有主动语态和被动语态两种语态。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 , 在被动语态中动作的执行者有时用 by 短语表示出来 .

一般现在时 (simple present) ：S( 主语 )+am/is/are + 过去分词 (done)一般过去时 (simple past) ：S+was/were + 过去分词 (done)

2. I bought a computer last term ．

A computer was bought (by me) last term.

The light was invented by Thomas Edison .

invent

Thomas Edison invented the light.

JimJim rode rode the motorbike to his factory yesterday.the motorbike to his factory yesterday.

The motorbike The motorbike was riddenwas ridden to his factory yesterday. to his factory yesterday.

They They hadhad an evening party last week. an evening party last week.

An evening party An evening party was hadwas had last week. last week.

The Great Wall was built by Chinese people many years ago.

Chinese people built the Great Wall many years ago.

The students planted many trees yesterday.

Many trees were planted by the students yesterday.

Ann can take good care of the cats ．

The cats can be taken good care of by Ann.

情态动词 (model verb) ： S+ can/must/should 等情态动词 + be+ 过去分词

He He can carrycan carry the basket. the basket.

The basket The basket can becan be carriedcarried by him. by him.

They They can singcan sing some beautiful songs. some beautiful songs.

Some beautiful songs Some beautiful songs can be sungcan be sung by them. by them.

We should clean the classroom every day.

The classroom should be cleaned by us every day.

Our students mustn’t smoke cigarettes.

Cigarettes mustn’t be smoked by our students.

Ask and answer waterevery dayat homemy grandma

A: When are the flowers watered?B: The flowers are watered every day.A: Where are the flowers watered?B: The flowers are watered at home.A: Who are the flowers watered by?B: The flowers are watered by my grandma.A: Are the flowers watered by my grandma at home every day? B: yes, they are.

sweepon weekendsin the kitchenmy mother

When where who

doafter schoolin the classroomthe children

buildlong long agoin BeijingChinese people

buylast weekin NingboMary

We plant trees every year.

Trees are planted by us every year.

Trees should be planted by us every year.

We should plant trees every year.

My bike was repaired by Tom.

Tom repaired my bike.

My bike could be repaired by Tom.

Tom could repair my bike.

Have a try

• 1. The emperor invented tea by accident.

• 2. Many Chinese can speak English.

• 3. They don’t wash their clothes every day.

• 4. The boy broke the door of the class.

Tea was invented by the emperor by accident.

English can be spoken by many Chinese.

Their clothes aren’t washed by them every day.

The door of the class was broken by the boy.

5. We didn’t solve the problem.

6. Did Mary finish the work?

7. His mother shouldn’t allow him to wear earrings.

8. Should we water the trees every day?

9. We must stop people walking on the grass.

The problem wasn’t solved by us.

Was the work finished by Mary?

He shouldn’t be allowed to wear earrings by his mother.

Should the trees be watered by us every day?

People must be stopped walking on the grass.

Made on February 10th