Unit 6 When was it invented？SectionA (Grammar focus-4c) 课件(共23张PPT)

(共23张PPT)
Unit 6
When was it invented
Read something about how tea was invented by accident.
One day Shen Nong was boiling drinking water over an open fire. Some leaves from a tea plant fell into the water and remained there for some time.
A nice smell was produced so he tasted the brown water. It was quite delicious and one of the world’s favorite drink was invented.
Lu Yu “the saint of tea” mentioned Shen Nong in his book Cha Jing. The book describes how tea plants were grown and used to make tea. It also discusses where the finest tea leaves were produced and what kinds of water were used.
Read something about Lu Yu and his Cha Jing.
It is believed that tea was brought to Korea and Japan during 6th and 7th centuries. In England, tea didn’t appear until around 1660. The tea trade from China to Western countries took place in the 19th century.
Tell something about how tea spread to other countries.
Questions
1）Who found the tea by accident
Tea was found by Shen Nong by accident.
2) Who wrote the book Cha Jing
The book Cha Jing was written by Lu Yu.
3) When was the tea brought to Japan and Korea
It was brought to Japan and Korea during
6th and 7th centuries
根据课本内容，完成下列句子。
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.
was invented
When was invented
3. 它是由谁发明的？
______ _____ it invented ______
4. 它是由惠特科姆 贾得森发明的。
It ____ ________ ___ Whitcomb Judson.
5. 茶叶什么时候被带到朝鲜去的？
_____ ______ tea _________ to Korea
6. 是在六到七世纪之间被带到朝鲜。
It _____ _______ to Korea ________the 6th and 7th centuries.
was invented by
When was brought
was brought during
Who was by
7. 热冰淇淋勺用来做什么？
What ___ the hot ice-cream scoop
_____ _____
8. 它用来挖很冷的冰淇淋。
It’s _____ ____ ______ really cold
ice-cream.
used for serving
is
used for
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.
invented
was invented by
英语有两种语态：_______和_________。主动语态表示主语是动作的_______，
而被动语态则表示主语是动作的______。
主动语态
被动语态
执行者
承受者
如：
We cleaned the classroom yesterday.
我们昨天打扫了教室。
The classroom was cleaned yesterday.
教室昨天被打扫。
1. 肯定句：
主语+was / were+及物动词的过去分词+其他.
e.g. 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：
主语+ was/were not+及物动词的过
去分词+其他.
e.g. Women were not allowed to take part in the games at first.
开始妇女不允许参加奥运会。
e.g. Was this picture drawn by
Da Vinci
这幅画是达芬奇画的吗？
3. 一般疑问句：
Was/Were +主语 +及物动词的过去分
词+其他
主动语态不能变成被动语态的情况
当宾语是反身代词或相互代词时 He made himself a cup of coffee.
They help each other.
当谓语动词是表示状态的及物动词时 The salary can last him only a week.
4a
Rewrite the sentences using the passive voice.
点拨：原句为一般过去时态，原句的谓语动词为sold，宾语为the fridge；改为被动语态时，应将the fridge作主语，谓语动词用was sold的形式。
1. They sold the fridge at a low price.
The fridge was sold at a low price.
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.
句子主语you与invite之间存在被动关系。
villagers与bring之间存在被动关系
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 door与lock之间为被动关系；而we与ring之间则为主动关系；其他各题相同。
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
the telephone与invent之间存在被动关系；Mr. Bell与work之间是主动关系。
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
Mr. Bell与learn之间为主动关系。