八年级英语下册 Unit 7 International charities grammar 2教案 （新版）牛津版-（新版）牛津版初中八年级下册英语教案.doc

International charities
教学目标
1.To know the context of passive voice .
2.Master and use the passive voice of the present tense and the simple past tense correctly.
重点
1.To know the context of passive voice .
2.Master and use the passive voice of the present tense and the simple past tense correctly.
难点
1.To know the context of passive voice .
2.Master and use the passive voice of the present tense and the simple past tense correctly.
教法及教具
Some pictures and a tape recorder.

教

学

过

程

教 学 内 容
个案调整
教师主导活动
学生主体活动

Step1 Presentation
1.Teacher asks :Who do operations on the plane ?
Write down : ORBIS doctors do operations.
2.Ask them to change it into passive voice .
Operations are done by ORBIS doctors .
3.Ask them to discuss them and explain:
We can also introduce who or what performs an action in the passive voice using by .We put by and the performer after the verb .
4.Show more examples .
(1)Activities for the Computer Club are organized by Mr Lin
(2)The little girl was saved by a policeman .
(3)These photos were taken by Nancy .

Step2 Practice
1. Ask them to complete the exercises of part A .
2. Check the answers and ask them to read the sentences aloud .
3. Do more exercises :
(1)Tom often helps Jenny when she is in trouble

(2)I bought a computer last week .

(3)The whole cake was eaten by Eddie yesterday .

(4)Many trees are planted by students and teachers every year.

(5)She takes good care of the children .

Answer :
ORBIS doctors

(1)Jenny is often helped by Tom when she is in trouble .
(2)A computer was bought by me last week .
(3)Eddie ate the whole cake yesterday .
(4)Students and teachers plant many trees every year .
5)The children are
Taken good care of by her.

教 学 内 容
个案调整
教师主导活动
学生主体活动

Step3Production

主动语态与被动语态的转化：

主动语态
主语
谓语
宾语
She
hurt
me

被动语态
原宾语
谓语（被动式）
原主语
（改为宾格）
I
was hurt
by her

主语+谓语+双宾语的句式转化：

主动
语态

主语
He
谓语(主动式)
passed

间宾

me

直宾
a
book

被动
语态

原直宾
A book
谓语（被动式）
was passed

to

me

by
原主语（改为宾格）
him
原间宾（改为主格）
I
谓语（被动式）
was passed

原直宾

a book

by
原主语（改为宾格）
him

Step4 Practice
1. Do some exercises on page 100 .
2. Check the answer one by one .
3. Ask the students to read the sentences .
Step5Homework
1. Try to remember the new words .
2. To master the passive voice .
3. To do more exercises .

Keys:
1. was set up
2. was opened
3. are sold
4. is used
5. is called
6. was started
7. were given
8. are built

板书

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