人教版九年级全册 Unit 6 When was it invented?Section A Grammar focus 4a-4c 课件 (共28张PPT)

(共28张PPT)
Unit 6
When was it invented
Let’s talk
in 1876
Bell
A: What is this called in English
A: When was it invented
A: Who was it invented by
A: What is it used for
.
B: It is called a telephone.
B: It was invented in 1876.
B: It was invented by Bell.
B: It is used for talking with people.
in 1871
giving light
Edison
A: What are they called in English
A: When were they invented
A: Who were they invented by
A: What are they used for
B: They are called light bulbs.
B: They were invented in1871.
B: They were invented byEdison.
B: They are used for giving light.
in 1885
Karl Benz
traveling
A: What is this called in English
A: When was it invented
A: Who was it invented by
A: What is it used for
B: It is called a car.
B: It was invented in 1885.
B: It was invented by Karl Benz.
B: It is used for traveling.
A:When were they made
B:They were made last week.
A:Who were they made by
B:They were made by Mrs. Wu.
A:How were they made
B:They were made by accident
last week
Mrs. Wu
( music teacher)
by accident
It is a box with beautiful glass face. It was made of metal,plastic and glass.It was invented by an American in 1976.It can help work and study. It is also used for playing games .
Guess
被动语态 (Passive Voice)
结构: be + V-p.p.
was / were +动词的过去分词
一般过去时的被动语态:
Bell invented the telephone in 1876
主动句与被动句之间的转换
The telephone was invented (by Bell) in 1876
主语 谓语动词过去式 宾语 时间状语
主语 谓语动词过去分词 介词+ 宾语 时间状语
1. 肯定句：A. Chinese people invented paper two thousand years ago
P. Paper was invented by Chinese people two thousand years ago.
纸是中国人在二千多年前发明的。
2. 否定句：
A.People did not allow womem to take part in the games at first.
P. Women were not allowed to take part in the games at first.
开始妇女不允许参加奥运会。
P. Was this picture drawn by
your sister in the park
这幅画是你妹妹在公园画的吗？
3. 一般疑问句：A. Did your sister draw
this picture in the park
4.特殊疑问句
A.Where did your sister draw
this picture
P.Where was this picture drawn by
your sister
这幅画是你妹妹在哪儿画的？
A. I saw a heavy man enter the house.
P.A heavy man was seen to enter the house.
A.They put off the meeting because of
the weather.
P.The meeting was put off because of
the weather.
Pay attention
A.They asked us not to talk in the library.
P. We were asked not to talk in the library
将下列句子变为被动语态。
1. He chose six story books the other day.
Six story books _____ _______ by him the other day.
2. Uncle Lee gave Jack a large cake . Jack _____ _____ a large cake by Uncle Lee
A large cake __ ___ __ Jack by Uncle Lee.
was given
were chosen
was given to
3. A mouse ate half of the cake last night.
Half of the cake _____ _____ by a
mouse last night.
was eaten
将下列句子变为主动语态。
4. Were these machines invented by Edison
_____ Edison _______ these machines
Did invent
5. The post card was sent to Linda by Paul.
Paul _____ the post card ___ Linda.
6. America was discovered by Columbus.
Columbus __________ America.
sent to
discovered
对划线部分提问
7. Shoes with lights were used for seeing in the dark.
_____ ______ shoes with lights ______ for
8. Paper was invented in China almost a thousand years ago.
______ _____ paper _________ in China
used
What were
When was invented
4a
Rewrite the sentences using the passive voice.
1. They sold the fridge at a low price.
The fridge was sold at a low price.
2. Somebody stole my camera
from my hotel room.
My camera was stolen from my hotel room.
3. Where did you take these photos
__________________________________
4. Our parents advised us not to go out alone.
__________________________________
5. Different writers translated the book into different languages.
__________________________________
__________________________________
Where were these photos taken
We were advised not to go out alone.
The book was translated into different languages by different writers.
1. You ____________ to the party last night, weren’t you Why didn’t you go
2. The earthquake happened all of a sudden, but luckily the villagers _____________ to a safe place.
were invited
eat, like, invite, tell, lock, ring, break, bring
were brought
4b
Complete the sentences with correct forms of the verbs in the box.
3. The door ___________ when we arrived, so we ______ the bell.
4. The students ___________ not to eat or drink in class, but Ruby ______ the rule when she started eating a biscuit in science class.
5. The cookies __________ by the hungry kids in less than 20 minutes, and they really _____ them.
was locked
rang
broke
were told
were eaten
liked
The telephone ______________ (invent) by Alexander Graham Bell. He __________ (born) in 1847. Mr. Bell ________ (work) on the invention of the telephone with Thomas Watson.
was born
was invented
worked
Decide whether active or passive forms should be used in these sentence. Write the correct forms in the blanks.
4c
In 1875, Mr. Bell _________ (learn) how to send musical notes through an instrument similar to a telephone. Finally, the telephone _____________ (invent) in 1876. The first sentence that _________ (say) on the telephone by Mr. Bell was “Mr. Watson, come here; I want to see you.” Today the telephone ________ (use) around the world.
learned
was invented
was said
is used
useful phrases
be made of / from
be invented by /in
be used for
write your favourite invention,then share yours with your classmates.
Thank you for listening!