1. Unit 6 When was it invented?

2. 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: Alexandar Graham Bell invented the telephone in 1876. Passive Voice: The telephone was invented (by Alexander Graham Bell) in 1876.

3. The simple past passive voice 一般过去时被动语态 一般过去时被动语态表示过去经常性、习惯性被动动作 或过去某一时刻发生的被动性动作，与主动语态相比, 被 动语态中主语是谓语动作的执行者。 被动语态的构成 : 助动词 was/were+ ( 及物动词的 ) 过去分词 was (were) + done Grammar

4. Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. 主动语态变被动语态的结构图 : 主语 谓语动词 过去式 宾语 时间状语 主语谓语动词的 过去分词 宾语 时间状语

5. 用所给动词的正确形式填空： 1. The bike __________(fix) up by Xiaoming yesterday. 2. Shields ________ (use) for protecting people’s body in the past. 3.Last year, a picture _________(put) up on the blackboard. 4. She said French______________ (speak) in France. 5. Teenagers _______________(allow) to choose their own clothes two years ago. was fixed were used was put was spoken were allowed Practice

6. 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 riters translated the book into different languages. _____________________________________________ The fridge was sold at a low price. My camera was stolen from my hotel room. Where were these photos taken? We were advised not to go out alone. The book was translated into different languages. 4a Rewrite the sentences using the passive vocie.

7. 4b Complete the sentences with the correct forms of the verbs in the box. 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. eat, lock, like, ring, invite, break, tell, bring were invited were brought was locked rang were told broke were eaten liked

8. 4c Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blanks. 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 was said is used was invented

9. Suppose you are alone on a tiny island. What inventions would you like to have on the island with you? Write a short passage. Homework