(共20张PPT)
When was it invented
( Period 1)
No.2 Railway Middle School
Zou Yanting
Unit 9
What is he doing
He’s ___________
_______________.
What do you think a telephone is used for
A telephone is used for talking with people.
making a
telephone call.
be used for + (doing) sth.
telephone
car
TV set
computer
calculator
What are they used for
inventions
inventor n. 发明家
eg: Edison is a famous inventor.
invent v. 发明
eg: Do you know who invent paper
invention n. 发明
eg: The car is a great invention.
be invented 被发明
eg: The light bulb was invented
by Edison.
Edison
When was the telephone invented
Who was the telephone invented by
The Great Inventions
It was invented in 1876.
It was invented by Bell.
A: I think the computer is the newest.
B: I think the telephone was invented
before the car.
C: Well, I think the telephone was
invented after the car.
GROUPWORK:
In what order do you think they were invented
Report: In our group, we think the … is the first invention, … is the second invention…
listen and match the inventions and the dates.
_____ 1876
_____ 1885
_____ 1927
_____ 1971
_____ 1976
d
a
e
c
b
1b
G: Life must have been difficult when you were a kid.
W: Oh, not really. Why do you say that
G: Well, you didn’t have many modern inventions. Like, you ...
W: Of course we did! How old do you think I am ____1____.
G: How about cars I bet cars weren’t invented yet.
W: Sure they were. ____2____. My family ...
G: Ha, ha! Well, did you have a TV
W: No, we didn’t. ____3____, I think. Some friends of mine ...
G: And I bet you... We learned in school that hand-held ____4____ and ____5____.
W: You’re right. I didn’t have those things when I was young. But I do now!
1. The telephone was invented in 1876.
2. Cars were invented in 1885.
3. The TV was invented around 1927.
4. Calculators were invented in 1971.
5. Personal computers were invented in 1976.
A: When was the … invented
B: It was invented in _____.
1976
1927
1876
1885
1971
Baird (约翰·贝尔德 )
Bell (亚历山大·贝尔 )
Wozinak and Jobs (沃兹奈克和乔布斯)
Simckley (克里夫·辛克莱)
Benz (卡尔·本茨 )
Match the inventions with the inventors.
A: What’s this in English？
B: It’s a TV.
A: When was the TV invented
B: It was invented in 1927.
A: Who was it invented by
B: It was invented by Baird.
1885
1971
1976
Wozinak and Jobs
Simckley
Baird
1927
Bell
1876
Benz
A: What’s this in English B: It’s ...
A: When was… invented B: It was invented in ...
A: Who was… invented by B: It was invented by ...
A: What is … used for B: It is used for …
We use a telephone for talking with people.
Bell invented the telephone.
Bell invented the telephone in 1876.
A telephone is used for talking with people.
It was invented by Bell.
It was invented in 1876.
We use a telephone for talking with people.
Bell invented the telephone.
Bell invented the telephone in 1876.
A telephone is used for talking with people.
It was invented by Bell.
It was invented in 1876.
Grammar Focus
被动语态
定义: 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。
We speak English.
主语
谓语
宾语
English is spoken by us.
主语
谓语
宾语
主动语态
被动语态
巧记: 宾变主, 主变宾, 前加by
动变被, 看清be, 结构be + p.p.
主变被解题步骤:
1. 找宾语 ----即动作的承受者
eg: They make shoes in that factory.
Shoes
2. 判断宾语的单复数 ----即be动词的单复数.
are
were
3. 判断动词的时态 ----即be动词的时态.
4. 修改谓语的时态 ----即原句动词改为过去分词
made
5. 修改原句的主语 ----即by+ 主语/ 宾语.
by them
in that factory.
6.其它的成分（定语、状语）不变。
√
1. People use knives for cutting things.
Knives _____ _____ for cutting things.
2. The students clean the windows of their classroom twice a month.
The windows of their classroom_____ _______ twice a month.
3. I found the ticket on the floor .
_____ ______ ______ ______ on the floor.
4. I told her to return the book in time.
She _____ ______ to return the book in time.
5. Now people can use computers to help them.
Now computers _____ _____ ______ to help them.
are used
are cleaned
(变被动语态）
The ticket was found
was told
can be used
Exercise:
Summary
1. Key vocabulary:
invent, calculator, be used for
2. Target language:
What is a telephone used for
It’s used for talking with people.
When was the telephone invented
It was invented in 1876.
Who was it invented by
It was invented by Bell.
3. The Passive Voice
Find out the information about them and write down the sentences with Passive Voice like:
gun powder
paper making
printing
compass
… was invented in … It was invented by… It’s used for …
Four Great Inventions of China2008-11-24
Unit 9 When was it invented (Period 1) 教案
设计者（韶关铁二中 邹艳婷）
一、概述
· 本课为九年级英语第九单元的第一课时
· 本课围绕谈论事物的发明历史，事物发明的时间，是谁发明的，事物的用处等方面。让学生了解事物的发明历史，接触到一些著名的发明家。课文里所用句型为被动句句型。包括疑问被动句和陈述句被动句。例如：
When was the telephone invented I think it was invented in 1876
Who was it invented by It was invented by Bell.
二、教学目标分析
一、知识与技能:
1. Talk about the history of different inventions. (谈论各种发明物的历史)
(1) Key vocabulary: (重点词汇)
invent, calculator, be used for
(2) Target language: (目标语言)
--What is a telephone used for --It’s used for talking with people.
--When was the telephone invented --It was invented in 1876.
--Who was it invented by --It was invented by Bell.
2. Grammar: The Passive Voice. (语法: 被动语态)
二、过程与方法:
1. Listening practice using the target language.
2. Oral practice using the target language.
3. Cooperative method
4. Task-based language teaching
三、情感态度与价值观
Let’s learn more about the great inventions and learn from the inventors. (了解更多的发明, 并向那些伟大的发明家学习。)
三、教学策略选择与设计
(1) 图片教学法: 通过图片学习单词和认知实物。
(2) 情境教学法: 通过电话的使用导入新课，学会各种发明的用途，发明时间和发明者等句型。
(3) 听说教学法: 通过听录音，模仿对话来巩固句型。加强听说训练。
通过Pairwork, Groupwork来训练学生的表达能力。
(4) 任务教学法: 通过Report ，各种任务的创设及家庭作业来强化所学的知识。
四、教学资源与工具设计
多媒体CAI课件, 录音机
五、教学过程
Step 1: Lead-in (导入)
1. Show a picture of Yao Ming (with the sound of the telephone) and ask the students what he is doing, and lead them to answer: He’s making a telephone call / calling up others.
2. Ask them: What do you think a telephone is used for
Guide students to guess and answer like this: A telephone is used for talking with people.
3. Teach the new phrase: be used for + (doing) sth
Step 2: Presentation (新课展示)
1. Show five pictures of the inventions and ask students to describe what they are used for.
First give an example:
--What is a telephone used for
--A telephone is used for talking with people/ communicating…
Then ask some students to answer: What is a car/ computer / calculator / TV used for
During this period, teach the new word “calculator”.
2. Show them that all of the five things belong to inventions. Teach the new word “invent” and its different forms.
3. Task 1: Watch and Answer
(1) Show a movie “ The Great Inventions” and ask two questions:
Who was the telephone invented by
When was the telephone invented
(2) Play the movie and then ask students to answer the questions:
It was invented by Bell.
It was invented in 1876.
4. Task 2: Discussion: activity 1a (Groupwork)
(1) Show five pictures on the screen and ask students to discuss “ In what order they were invented ” Which one was invented first And which one was invented last
(2) Get students to discuss the topic in groups of four.
(3) Invite some group leaders to report the result of their discussion.
5. Task 3: Listening practice: Activity 1b
(1) Point to the instructions and tell students if they want to know correct time when the five things were invented, listen to the tapes carefully and find out the correct years.
(2) Point out the sample answer and then play the recording, ask students to listen and write the correct letter in front of each date.
(3) Check the answers by inviting a student to read out his writing.
(4) Show the tapescript on the screen and ask students to watch and listen the recording flash again, fill in the five blanks in the conversation.
(5) Check the answers.
6. Task 4: Pairwork: Activity 1c
(1) Show the five inventions, date and the example on the screen and teach students the target language:
A: When was the … invented
B: It was invented in _____.
(2) Give an example with a student:
Point to the computer and ask a student to answer: When was the computer invented
(3) Get students to work in pairs, practice the conversations.
(4) Invite some pairs to speak out their own dialogues.
7. A Match Game
(1) Show the five inventions and the inventors, tell students to guess and match the inventions and the inventors.
(2) Teach the new target language:
A: Who was the … invented by
B: It was invented by _____.
Step 3: Consolidation (巩固)
1. Review all the three target languages by giving out a sample dialogue.
2. Show the target languages and pictures, guide students to ask and answer the questions in rows.
Step 4: Grammar Focus (语法讲解)
1. Show six sentences in two forms.
2. Ask students to look at them carefully and summarize the rules of them.
3. Show the same sentences and lead students to tell the differences by using different colors.
4. Show a sample sentence and teach students how to change it from the Active Voice into the Passive Voice.
5. Explain the definition of the Passive Voice and the steps of changing the voices.
Step 5: Exercise (练习)
1. Show the exercise on the screen.
2. Ask students to fill in the blanks with the Passive Voice.
3. Check the answers and explain the grammar difficulties.
Step 6: Summary (小结)
1. Summarize the key vocabulary and the target languages we learned in this lesson.
2. Summarize the usage of Passive Voice.
Step 7: Homework (作业)
1. Show the Four Great Inventions of China on the screen and ask students to find out the information about when and who they were invented after school.
2. Write down the sentences with Passive Voice like:
When was the paper invented It was invented in …
Who was it invented by It was invented by…
What is it used for It’s used for …
六．板书设计
Unit 9 When was it invented (Period 1)1. New words and phrases: invent, calculator, be used for2. Target language: What is a telephone used for It’s used for talking with people. When was the telephone invented It was invented in 1876. Who was it invented by It was invented by Bell.3. The Passive Voice
六．教学反思
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