When was it When was it invented ?invented ?

Unit 9

Period 1

Learning aims （学习目标） 1 .Grasp the new words and patterns.invent,calculator,light bulb,binoculars A:When was/were the … invented? B: It was/They were invented in … A: Who was it /were they invented by ? B : It was/They were invented by …2. Try to understand and use the passive voice of the past tense well . （正确理解与运用一般过去时的被动语态。）

compass gun powder

printing paper-making

calculator

light bulb

TV setcar

computer

telephone

camera

bicycle

Edison invented the light bulb.The light bulb was invented by Edison.

Karl Benz invented the car.Karl Benz invented the car.

______ was invented by _______.______ was invented by _______.The car

Karl Benz

Bell invented the telephone.Bell invented the telephone.

___________ was invented by ___.___________ was invented by ___.The telephone

Bell

things inventor

( 发明家 )

time

umbrella Chinese 4000years ago

binoculars

双筒望远镜）Italians

( 印度人 )

1854

camera Joseph

Nicephore

1827

bicycle Englishman 1880s

Let’s talk !

1b Listen and match the inventions Listen and match the inventions with the dates.with the dates.

a

b e

dc

1876

1885

1927

1971

1976

d

a

b e

c

1876 Bell

1885 Henry Ford

1971 Bill Hewlett

1976 Cray

A:When was the … invented? B: It was invented in …. A: Who was it invented by ? B : It was invented by …

1903 Wright Brothers

Pairwork

A:When were the … invented?B: They were invented in ….A: Who were they invented by ?B : They were invented by …

potato chips ,1863, George light bulbs, 1879, Edison

Pairwork

Exercises 一、根据汉语意思完成句子，每空一词。1 . 汽车发明于 1885 年。The car _______ _______ in 1885.2. 电视是谁发明的？_______ was the TV ________ ______ ?3 . 双筒望远镜是印度人发明的。The binoculars _______ invented _______Italians . 4. 飞机是莱特兄弟于 1827 年发明的。The plane was invented ______ Wright Broth

ers ______ 1827.

was invented

Who invented by

were by

byin

二、句型转换1. Bell invented the telephone. （改为被动语态） The telephone ______ _______ by Bell .

2. Tom bought some books yesterday. （改为被动语态）

Some books _______ _______ by Tom yesterday .

3. He allowed Jack3. He allowed Jack to make his own decisions.to make his own decisions. （（改为被动语态）

Jack _______ ________ to make his own decisions . Jack _______ ________ to make his own decisions .

was invented

were bought

was allowed

4.This kind of telephone was invented in 1985. （对划线部分提问）

________ _______ this kind of telephone invented ?

5 . They were invented by Julie Thompson.

（对划线部分提问）________ ________ they invented by?

6.The computers were invented in 1976.( 对划线部分提问 )

________ ______ the computers ________?

When was

Who were

When were invented

( ) 1. A new hospital ________ in my hometown last year. ( 海南中考 2008 )         A. was built B. built C. is built

( ) 2. The road ________ last year. (2010 北京 ) A builds B built C was built ( ) 3. ----Susan, why are you still here ? They are already to start . ---- I’m sorry , but I ____ when to leave . (201

0 山西 ) A wasn’t told B don’t told C didn’t tell

中考真题链接A

C

A

( ) 4 Chinese ________ by more and more people in the world.(2012 海南中考 )

A . is spoken B is speaking C . speaks

( ) 5. To keep the road safer ,the new traffic rules must _______ by everyone . (2013海南 )

A . follow B . be followed C . are followed

A

B

The passive voice.被动语态被动语态

被动语态的构成构成 :

助动词 be+ ( 及物动词的 ) 过去分词

一般现在时

一般过去时

am (is, are) + done

was (were) + done{

Make a survey: What inventions do you know?

Inventions Who When

light bulbs Edison 1878

Tea Shen Nong about three thousand years ago

Report like this:

light bulbs were invented by Edison in 1878...

Homework

Collect more inventions and write down a short passage.( 搜集更多的发明物品，并写一篇短

文。）

Thank you for listening!