SectionAGrammarfocus4a—4c (4)

1、When was it,invented?,Unit 6,objective,1. To learn to understand and use passive voice in the simple past tense,When was the zipper invented? It was invented in 1893. Who was it invented by? It was invented by Whitcomb Judson.,What is this?,Who was it invented by?,When was it invented?,Zipper,Judson

2、 invented the zipper in 1893.,主语,谓语,宾语,状语,The zipper was invented by Judson in 1893.,Observe and compare sentences,The workers made the printer that I bought yesterday last month.,主语,谓语,宾语,定语从句,状语,The printer I bought yesterday was made by the workers last month.,Observe and compare sentences,Edison

3、 invented the light bulb. The light bulb _ Edison.,Bell invented the telephone. _ was invented by_.,Karl Benz invented the car. _ was invented by _.,Try to complete the sentences.,was invented by,The telephone,Bell,The car,Karl Benz,4.Whos the baby in the photo? Its me. The photo _ (take) ten tears

4、ago. 5. Last weekend, Jack _ (invite) to a birthday party and he had a lot of fun. 6. Last month a new law _ (pass) in China to stop people from smoking in public places.,was invited,was passed,was taken,1. When was the zipper invented?,2. Who was it invented by?,3. When was tea brought to Korea?,4.

5、 What is the hot ice-cream scoop used for?,It was invented in 1893.,It was invented by Whitcomb Judson.,It was brought to Korea during the 6th and 7th centuries.,Its used for serving really cold ice-cream.,Role-play the sentences. Pay attention to the words in red.,一般过去时被动语态,被动语态(Passive Voice)表示句子的

6、主语是动作的接受者或受影响者。 被动语态的基本动词形式是be+V-ed。通过改变be的时态，可以构成不同时态的被动语态。 一般过去时的被动语态的基本结构是“助动词was/were+及物动词的-ed形式”。,什么是 一般过去时被动语态？,一、谓语动词接双宾语时，既可以将间接宾语转化成被动句的主语，也可以将直接宾语转化成主语。若将间接宾语转化成主语，则保留直接宾语；若将直接宾语转化成主语，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。如： His mother gave him a present last Monday. He was given a present by his

7、mother lastMonday. My uncle bought me a new computer. A new computer was bought for me bymy uncle.,直接宾语,间接宾语,直接宾语,间接宾语,How to change a sentence into passive voice?,二、“不及物动词+介词/副词”结构的短语动词相当于及物动词，可以有被动语态。 但短语动词是一个不可分割的整体，在变为被动语态时，不可丢掉构成短语动词的介词或副词。如： They took good care of the poor kids. The poor kids

8、were taken good care of by them. (of不可省略),三、若宾语和后面的宾语补足语一起构成复合宾语，变为被动语态时，只将宾语变为被动句的主语，宾语补足语保留在原处，成为主语补足语。如： They encouraged us to study hard every day. We were encouraged to study hard every day. (to study hard every day为主语补足语),宾语补足语,宾语,四、在主动句中，感官动词see , hear, watch, feel, notice等和使役动词let, make等后接省略

9、to的不定式，变为被动语态时，应加上动词不定式符号to。如： We heard them sing Peking Opera in the theater. They were heard to sing Peking Opera in the theater.,Our teacher let us do our homework. We were let to do our homework by our teacher.,是不是所有的一般过去时主动语态都可以变成一般过去时被动语态？,Rewrite the sentences using the passive voice.,1. They

10、 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?,4a,My camera was stolen from my hotel room.,Where were these photos taken?,4. Our parents advised us not to go out alone.,5. Different writers tran

11、slated the book into different languages.,4a,We were advised by our parents not to go out alone.,The book was translated into different languages by different writers.,否定句: 主语 + was/were + not + V-ed + (by),Practicing,Complete the sentences with the correct forms of the verbs in the box.,eat like in

12、vite tell lock ring break bring,1. You _ to the party last night, werent you? Why didnt you go?,2. The earthquake happened all of a sudden, but luckily the villagers _ _ to a safe place.,4b,were invited,were,brought,eat like invite tell lock ring break bring,3. The door _ when we arrived, so we _ th

13、e 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.,4b,was locked,rang,were told,broke,were eaten,liked,Decide whether active or passive fo

14、rms should be used in these sentences. Write the correct forms in the blanks.,The telephone _(invent) by Alexander Graham Bell. He _ (born) 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

15、 to a telephone.,4c,was invented,was born,worked,learned,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.,4c,is used,was said,was invented,Watch the vide

16、o and fill in the blanks.,We have an old musical instrument. It _ (call) a clavichord (古钢琴). It _ (make) in Germany in 1681. Our clavichord _ (keep) in the living room. It has belonged to our family for a long time. The instrument _ (buy) by my grandfather many years ago.,is called,was made,is kept,

17、was bought,Recently it _ (damage) by a visitor. She tried to play jazz on it! She struck the keys too hard and two of the strings _ (break). My father _ (shock). Now we _ (allow) to touch it. It is being repaired by a friend of my fathers.,was damaged,are not allowed,were broken,was shocked,一般过去时被动语态的几种句型,1.肯定句:,主语 + was/were + V-ed + (by),2.否定句:,3.一般疑问句:,主语 + was/were + not + V-ed + (by),Was/Were + 主语 + V-ed + (by)?,特殊疑问句: 疑问词 + was/were + 主语 + V-ed + (by)?,When was the news publ