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新目标英语九年级第九单元第一课时课件 2

发布时间:2013-12-17 13:30:17  

Go for it ! Grade 9

Unit 9 When was it invented?
period one mikhray

Four great inventions of China

gun powder

compass

paper making printing

paper making

paper

inventor

invent

invention

Cai Lun invented the paper making in 105 .

The paper making was

by

Task 1: Guess: Which one was invented earlier and which one was invented later. A: I think the … was invented before the …
B: Well, I think the … was invented after the … calculator

Task 2: Listen and find out the dates of the inventions. The … was invented in …
b a 1885 1976 e 1927 d 1876

c 1971

Do you remember?

A: When was the … invented?
B: It was invented in …

paper

paper making

The paper making was invented by Cai Lun in 105.

-Who was the paper making invented by (in 105)?
-It was invented by Cai Lun.

Task 3: Let’s guess who invented it . A: Who was the … invented by?
B: I think it was invented by … car computer telephone
Steve Jobs and Steve Wozniak Edison Karl Benz Bell

light bulb

Task 4: Do you know what they are used for? Let’s match them to the uses! The … is/are used for –ing.
1.talking with the person who isn’t near

2.traveling
3.cooking

4.eating food
5.keeping away from the rain 6.waking us up

Task 5: Work in pairs to talk about the uses of the things around us. You can talk about the things below if you want.

-What is/are the … used for?

-It is /They are used for –ing.

Task 6: Let’s know more inventions. was/were the … invented? A: When
B: It was/They were invented in … A: Who was/were the … invented by?

B: It was/They were invented by …
A: What is/are the … used for?

B: It is /They are used for –ing.

Task 7: 4 students a group to report: introduce an invention – including its inventor/date and uses.

SUMMARY: Ⅰ.被动语态的构成:
1.be+过去分词+by+(动作执行者). 2.被动语态句子的时态由be的时态 决定,be后的过去分词不随之改变. 3.否定句:在be后加not. 4.疑问句:把be提前.

SUMMARY: Ⅱ.主动语态变被动语态: 被动语态的主语. be+该动词的过去分词 (作被动语态的谓语). be按人称变化,但时态不变. 1.主动语态的宾语 2.主动语态的动词 3.主动语态的主语 by+该主语(放在被动 语态的句尾,可以省略). 若原主语是代词放在be后要变为其宾格形式.

被动语态专项练习 Ⅰ.据划线部分提问
1.Glasses were invented in1450. When were glasses invented? 2.The bottle machine was invented by Michael Owens . Who was the bottle machine invented by? 3.Dictionaries are used for looking up words. What are dictionaries used for ?

Ⅱ.用所给词的适当形式填空:
1._____ a new library _____ in our school last year? Was built (build) 2.They were taken to school. (take) ______ 3.-When werethese computers used this school? ___ ____in -Last year. (use) 4.The Great Wall was known all over the world. ____ 5.I was born in summer. (bear) ____ (know) 6.Who _____ this book written by? (write)

_____ was 7.Older people must be looked after well. ____ (must, look after)

Ⅲ.将下列句子变为被动语态,每空一词。

1.We can finish the work in two days. can be The work _____ _____finished in two days. _____ 2. The children will sing an English song. An English song will be sung by the children. ___ ___ ___ 3.They use knives for cutting things. Knives are used for cutting things. ___ ___ 4.Lucy sent me a New Year Card last week. was sent to A New Year Card ___ ____ ____ her by me last week. 5.We clean the classroom every day. The classroom was cleaned every day. ____ ____

1.题目

The … invention
2.适当使用被动 语态
3.60~80词

Let’s remember forever :
Genius is one per cent inspiration and ninetynine per cent perspiration.(天才=1%灵感+99%汗水) --Thomas Edison


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