(共18张PPT)
Unit6 When was it invented.
SectionA grammer focus-4c
语法课
一、教学目标
1.学会短语:at a low price, advise sb. to do, translate...into..., all
of a sudden
2.学会Grammar focus的句式。
3.学会“一般过去时的被动语态”的表达。
二、教学重点
1.学会短语: at a low price, advise sb. to do, translate...into..., all
of a sudden
2.学会Grammar focus的句式。
三、教学难点
1.学会“一般过去时的被动语态”的表达。
填空 grammar focus.
1. 拉链是什么时候被发明的？______ _____ the zipper ________
2. 它于1893年被发明。It ______ _________ in 1893.
3. 它是由谁发明的？ ______ _____ it invented ______
4. 是由惠特科姆 贾得森发明的。It ____ _________ ___ Whitcomb Judson.
5. 茶叶什么时候被带到朝鲜的？______ ____ tea _________ to Korea
6. 是在六到七世纪之间被带到朝鲜的。
It _____ _______ to Korea ________the 6th and 7th centuries.
7. 热冰淇淋勺用来做什么？What ___ the hot ice-cream scoop_____ ____
8. 它用来盛很凉的冰淇淋。It’s _____ ____ ________ really cold ice-cream.
9. 贝尔于1876年发明了电话机。
Alexander Graham Bell _______the telephone in 1876.
10. 电话机在1876年被贝尔所发明。The telephone _____ ________ ___
Alexander Graham Bell in 1876.
When was invented
was invented
Who was by
was invented by
When was brought
was brought during
is used for
used for serving
invented
was invented by
When was the zipper invented 什么时候发明拉链？ It was invented in 1893.
它在1893年被发明.
Who was it invented by 被谁发明了它？ It was invented by Whit comb Judson.被Whit comb Judson发明
When was tea brought to Korea 茶什么时候被带去韩国。 It was brought to Korea during the 6th and 7th centuries.
它在六和七世纪被带去韩国。
What is the hot ice-cream scoop used for 电热冰激凌勺子被用来做什么？ It’s used for serving really cold ice-cream.
它被用来提供冷的冰激凌。
大声朗读Grammar Focus
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.
Grammar Focus
探究语法规律
What did you find out
探究一：一般过去时被动语态谓语动词的构成
主语+was\were+ done(过去分词)+其他成分
Tom made the new machine last week.
The new machine ______ _______ by Tom last week.
was made
1. 肯定句: 主语 + was/were + 动词过去分词 + (by…)
The news was published by the government.
2. 否定句: 主语 + was/were + not + 动词过去分词 + (by…)
3. 一般疑问句: Was/Were + 主语 + 动词过去分词 + (by…)
The news wasn’t published by the government.
Was the news published by the government
4. 特殊疑问句: 疑问词 + was/were + 主语 + 动词过去分词 + (by…)
When was the news published by the government
语法探究二：一般过去时的被动语态的句式结构
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
一、用所给动词的适当形式填空
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.
Class test
was made
is known
was told
built
is seen
二、按要求完成句子
6. I was given a new toy by my aunt last week.( 改为主动语态)
My aunt ________ ________ a new toy last week.
7. Many trees were planted along the river last year.(改为否定句)
Many trees ________ ________ along the river last year.
8. The beautiful piece of music was played by HuoZun. (对画线部分提问)
________ _______ the beautiful piece of music _______ by
9. The book was translated into eight languages last year. (改为一般疑问句)
_______ the book __________ into eight languages last year
gave me
weren't planted
Who was played
Was translated
Rewrite the sentences using the passive voice.
4a
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.
Where were these photos taken
The fridge was sold at a low price.
My camera was stolen from my hotel room.
We were advised not to go out alone by our parents.
The book was translated into different languages
by different writers.
at a low price 以低价
总结被动语态的注意事项：
1.有些使役动词make, let后面常跟不带to 的不定式作宾语补足语，但变为被动语态时要加上to
2.含动词短语的被动语态 ：在被动语态中，要保持动词短语的整体性，不可丢掉介词和副词。
如：I often see the old man run in the morning. （改为被动语态）
The old man is often seen to run in the morning.
记住： “使役”动词前有be，则有to；无be，则无to
如：My good friend looked after my cat.(改为被动语态）
My cat was looked after well by my good friend.
eat lock like ring invite break tell bring
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.
all of a sudden: 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.
is used
was said
worked
learned
was invented
was invented
was born
Invention Inventor Time Usage (用途)
telephone Bell 1876 making phone calls
computer an American 1976 getting information
light bulb Edison 1830 giving light
camera a Frenchman 1837 taking pictures
bike an Englishman 1839 riding
basketball James Naismith 1861 playing
Make up a conversation according to the table.
who when what
A: When was/were the…. invented
B: It was/They were invented in…
A:Who was/were the… invented by
B: It was/They were invented by…
A: What is it/are they used for
B: It’s/They’re used for…
Report: My favorite invention is ____I think it is______It was invented in________by______It’s used for _____
I would like to invent ______ It is/They are used for_______because____________
What When Who Be used for
1903
The Wright brothers
Traveling
The plane
To be a young inventor!
成为小小发明家！
Talk about these questions in groups.
1. What’s your favorite invention
2. What would you like to invent most
3. Why would you like to invent it/them
提示词： machine 机器
1. Find out information about an invention you would like it and write sentences below.
Invention:
When:
Who:
Purpose:
2. Preview SectionB1a-1e.
Homework
Thank you for listening!
