人教版初中英语被动语态

Passive Voice 被动语态羊祜学校 孟琪

(一) 语 态 分 类 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。 如： They will build a new bridge over the river. (主动) A new bridge will be built over the river. (被动) 汉语中常用“被”、“给”、“由”、“受” 等词用来表示被动，而英语用：be + 及物动词的 过去分词构成。

一. 何时使用被动语态 1. 不知道谁是动作的执行者或没有必要 Paper is made from wood. He was wounded in the fight. 2. 需要强调动作的承受者时

Books and newspapers in the reading room mustn't be taken away. He was awarded first prize in that contest.

3.为了使语气婉转，避免提及自己或对方而使 用被动语 态，或由于修饰的需要，使用被动 语态，使句子得以更好的安排。

The construction of the new lab must be completed by the end of next month.

Electricity is used to run machines.

Discusion: the active voice 主动语态 & the passive voice被动语态 1. 什么时候用主动语态或被动语态？ 2. 主动语态和被动语态的动词结构是怎样的？语态动词 时态 结构 一般现在时

主动语态

被动语态

一般过去时

3. 主动语态句子变成被动语态句子哪三个部分 要变？怎么变？

Discusion 1: the active voice 主动语态& the passive voice被动语态 什么时候用主动语态或被动语态？ 主语是动作的执行者就用主动语态

主语是动作的承受者就用被动语态We study English at school.

English is studied by us at school.主动语态 我们用木头做家具。

那只老鼠被猫抓住了被动语态

被动语态 相机是用来照相的。

Discusion 2:

the active voice 主动语态& the passive voice被动语态

语态动词 时态 结构

the active voice

the passive voice

一般现在时

v v+ s esp.t.

am is arewas

+ p.p.

一般过去时

+ p.p.were

Decide if these sentences are active or passive.1. We call the doctor. 2. People don’t play football here. 3. The truck was cleaned yesterday. 4. Mr Chen teaches us English. 5. The classroom was cleaned. active active passive active

passive

Exercise :

1.The key ______for locking the classroom door. B http://es B. is used C.is using http://e B 2.A new school _______over there two years ago. A. built B. was built C. build D. builds 3.The lost child ______ on October 7,1998. A A.was found B. is found C. found D. find C 4.A talk on Chinese history________in the school hall yesterday. A.is given B.give C.was given D. gave

1.Many students study English. English is studied by many students.

2.They make shoes in that factory. Shoes are made by themin that factory.

3.The teacher often asks him questions.He is asked questions by the teacher.

主动变被动解题步骤1. 主动语态中的宾语转换为被动语态中的主语 2. 主

动语态中的动词改为被动形式，即be+过去分词 3. 主动语态中的主语如果需要放在by后面 4. 其他成分 保持不变 Thomas Edison invented the light bulb 主语 谓语 宾语 in 1897. 状语

The light bulb was invented by Thomas Edison in 1897

主语

谓语

by+动作实施者

状语

They play football on Sunday.Football is played by them on Sunday.

Lucy does the homework in the evening.The homework is done by Lucy in the evening.

They often use computers in class.Computers are often used by them in class.

We make these machines in Beijing.These machines are made in Beijing.

1.They make shoes in that factory.主语+及物动词+宾语 Shoes are made factory. 一般现在时： (by them) in that

S(主语)+am/is /are +过去分词

2. They term.

bought

ten computers last

Ten computers were bought (by them) last term. 一般过去时：S+was/were +过去分词

3.Amy can take good care of Gina .

Gina can be taken good care of by Amy.

情态动词：S+ can/may/must/should + be+过去分词