Unit 6 When was it invented? 第三课时Section A（Grammar Focus~4c）课件（15张PPT）

(共15张PPT)
Unit 6
When was it invented
第三课时 Section A（Grammar Focus~4c）
Talk about the following inventions using the patterns:
A: When was it invented
B: It was invented in 1976.
A: Who was it invented by
B: It was invented by Steven.
A: What is it used for
B: It is used for ...
Revision
Complete the sentences according to the Chinese and pictures:
The cars _____ _________in 1885.
汽车在1885年被发明。
Flowers ______ _____in the garden last year.
去年鲜花被种在花园里。
The man _____ ___to the hospital an hour ago.
一小时前那个人被送到医院去了。
were invented
were planted
was sent
Grammar Focus
Read the following sentences and find out the common features.
When was the zipper invented It was invented in 1893.
Who was it invented by It was invented by Whitcomb Judson.
When was tea brought to Korea It was brought to Korea during the 6th and 7th centuries.
What is the hot ice-cream scoop used for It’s used for serving really cold ice-cream.
Active Voice: Alexander Graham Bell invented the telephone in 1876. Passive Voice: The telephone was invented (by Alexander Graham Bell) in 1876.
一般过去时的被动语态
Grammar
一般过去时的被动语态由“was/ were +及物动词的过去分词”构成。
The mobile phone has greatly influenced people’s life since it was invented.
These books were written for children.
一般过去时的被动语态的构成
句式 结构 例句
肯定句 主语+ was/ were +过去分词. The club was set up in 2010.
否定句 主语+ wasn’t/ weren’t +过去分词. I wasn’t told to attend the meeting yesterday.
一般疑问句及回答 Was/Were+主语+过去分词 肯定回答: Yes, 主语+ was/ were. 否定回答: No, 主语+wasn’t/ weren’t. — Were the trees planted last year
— Yes, they were./
No, they weren’t.
特殊疑问句 特殊疑问词+ was/were+主语+过去分词 When was the bridge completed
一般过去时的被动语态的句式
（1）含双宾语的主动结构变被动结构时，不要忽略间接宾语前的介词。
We gave some flowers to Miss Gao on Teachers’ Day.
→ Some flowers were given to Miss Gao on Teachers’ Day.
（2）含有动词短语的主动结构变被动结构时，不要漏掉短语中的介词或副词。
We handed in our homework last Friday.
→ Our homework was handed in last Friday (by us).
使用被动语态时的注意事项
（3）在含有使役动词make或感官动词（see, watch, notice, hear 等）的主动语态的句子中，这些词后常跟省略to的动词不定式，但是改为被动语态时则要把省去的to还原。
I saw him cross the road and enter the shop.
→ He was seen to cross the road and enter the shop (by me).
使用被动语态时的注意事项
（4）含双宾语的主动结构变为被动结构时，既可将间接宾语转化为主语，也可将直接宾语转化为主语。若将间接宾语转化为主语，则保留直接宾语；若将直接宾语转化为主语，则保留间接宾语，且在被保留的间接宾语前加上介词to或for。
My mother gave me a pencil.
→ I was given a pencil by my mother.
→ A pencil was given to me by my mother.
使用被动语态时的注意事项
Rewrite the sentences using the passive voice.
1. They sold the fridge at a low price.
_____________________________________________________________________
2. Somebody stole my camera 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.
_____________________________________________________________________
4a
The book was translated into different languages by different writers.
My camera was stolen from my hotel room (by somebody).
Where were these photos taken
We were advised by our parents not to go out alone.
The fridge was sold at a low price.
pron. 某人 n. 重要人物
translate v. 翻译
Complete the sentences with the correct forms of the verbs in the box.
4b
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.
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.
were invited
eat like invite tell lock ring break bring
were brought
was locked
rang
were told
broke
were eaten
liked
v. 锁上
v.（使）发出钟声或铃声
突然；猛地
Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blanks.
4c
The telephone ____________ (invent) by Alexander Graham Bell. He _____________
(born) in 1847. Mr. Bell ______________ (work) on the invention of the telephone with Thomas Watson. 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.
was invented
was born
worked
learned/leart
was invented
was said
is used
adj. 音乐的；有音乐天赋的；
n. 器械；仪器；工具
I. 用括号内所给词的适当形式填空
1. The pizza __________ (make) by me. Would you like to have some
2. The Great Wall _________ (know) all over the world.
3. This story __________ (tell) by my grandmother last night.
4. Was a new science museum ______ (build) in your hometown last year
5. No student _______(see) in the playground.
was made
is known
was told
built
is seen
Exercises
II. 句型转换
1. I was given a new toy by my aunt last week.( 改为主动语态)
My aunt ________ ________ a new toy last week.
2. Many trees were planted along the river last year.(改为否定句)
Many trees ________ ________ along the river last year.
3. Sky lanterns were used to ask for help in ancient times, _______ ______ （完成反意疑问句）
4. The beautiful piece of music was played by Abing . (对画线部分提问)
________ _______ the beautiful piece of music _______ by
gave me　
weren't planted
weren't they
Who was played　
Homework
Find out information about an invention you would like it and write sentences below.
Invention:
When:
Who:
Purpose: