Section A Grammar-4c Unit6 When was it invented ?

Review When was … invented ? It was invented in… What is it used for ? It is used for…

fridge /frid ʒ / n. 冰箱 I think a fridge is the most useful invention in modern world.

translate /træns´leit/ v. 翻译 She is translating the words into English. She is a good translator.

lock /l ɔ k/, /la:k/ v. 锁上；锁住 He is locking the car. These locks are strong.

earthquake / ´ ə:(r)θkweik/ n. 地震 Don’t be afraid of the earthquake.

biscuit / ´ biskit/ n. 饼干 Don’t eat too much biscuit, it isn’t good for your health.

cookie/ ´ kuki/ n. 曲奇饼干 Don’t eat so much cookie, because it is too sweet.

instrument /´instrəmənt/ n. 器械； 仪器；工具 There are many kinds of instruments in our school.

New words fridge /frid ʒ / n. 冰箱 translate /træns ´ leit/ v. 翻译 lock /l ɔ k/, /la:k/ v. 锁上；锁住 earthquake / ´ ə:(r)θkweik/ n. 地震

sudden / ´ s ʌ dən/ adj. 突然（的） all of a sudden 突然 ; 猛地 biscuit / ´ biskit/ n. 饼干 cookie/ ´ kuki/ n. 曲奇饼干 musical/ ´ mju:zikl/ n. 音乐的；有音乐天赋的 instrument /´instr ə mənt/ n. 器械； 仪器；工具

拉链是什么时候发明的？ 它是在 1893 年被发明的。 它是由谁发明的？ 它是被惠特科姆. 贾德森 发明的。 茶是什么时候被带到韩 国的 ? 它是在六至七世纪被 带到韩国的。 这个热的冰淇淋勺 子是用来做 什么的 ? 这是用于服务很冷的 冰淇淋。 When was the zipper invented? It was invented in Who was it invented by? It was invented by Whit comb 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.

When was the zipper invented? It was invented in Who was it invented by?It was invented by Whit comb 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.

一般过去时态的被动形式 注意：这里 be 的形式决定了被动语态的 时态，其后的过去分词没有变化。 肯定句 主语 + was\were + 过去分词 + (by …) 否定句 主语 + was\were not + 过去分词 +(by …) 一般疑问句 was\were + 主语 + 过去分词 + (by …)? 特殊疑问句 疑问词 + was\were + 主语 + 过去分词 + (by …)?

把下列句子改为被动语态。 1. They made these computers in Shenzhen. These computers ____ _____ in Shenzhen. 2. She bought a new bike yesterday. A new bike ____ ______ by her yesterday. were made was bought

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. 3. Where did you take these photos? My camera was stolen by somebody from my hotel room. Where were these photos taken by you ?

4. Our parents advised us not to go out alone. 5. Different writers translated the book into different languages. We were advised not to go out alone by our parents. The book was translated into different languages by different writers.

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 ________ all of a sudden, but luckily the villagers ___________ to a safe place. were invited came were brought eat lock like ring invite break tell bring

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 were told broke were eaten liked eat lock like ring invite break tell bring

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 Alexander ________ (work) on the invention of the telephone with Thomas Watson. In 1875, Alexander____________ (learn) to send musical notes through an instrument similar to a telephone. was invented was born worked learned\learnt

Finally, the telephone _____________ (invent) in The first sentence that ____________ (say) on the telephone by Alexander was “Mr. Watson, come here; I want to see you.” Today the telephone __________ (use) around the world. was invented was said is used

Summaries 1. at a low price 以一个很低的价格 2. take these photos 拍这些照片 3. go out alone 单独外出 4. translate the book into different language 把书翻译成不同种类的语言 5. all of sudden 突然 6. work on 从事，进行

用所给词的适当形式填空。 1. This instrument is used for __________ (play) music in class. 2. How many magazines _____________ (borrow) from the library today? 3. Edison was a great________. He had over ___________ in his life. (invent). 4. A picture _________ (put) on the blackboard before class. 5. Plates and dishes _____________ (not wash) after supper yesterday. playing were borrowed inventions was put weren’t washed inventor

1. Recite and copy the new words in Pages Finish 4B in Section A in Page Finish the workbook of Section A 3a-4c