Unit6 Section A （Grammar Focus-4c）课件 人教版九年级全一册英语.pptx

Unit 6 When was it invented?,Grammar Focus4c,情景导入,A: When was invented? B: It was invented .,1971,1885,1876,1927,Can you retell the history of tea?,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 ,单词展示,n. 冰箱,fridge,n. 曲奇饼,cookie,n. 地震,earthquake,生成新知,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?,Its 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.,一般过去时的被动语态的句式结构,一般过去时的被动语态,2. 一般过去时的被动语态的基本用法,表示过去某一具体时间发生的动作，且句子的主语是谓语动词动作的承受者,The house was built in 1990. 这所房子建于1990年。

讲述发生在过去的动作，且不知道动作的执行者,He was honored with the name “ Father of Hybrid Rice”. 他被授予“杂交水稻之父”的称号3. 含双宾语和复合宾语的主动句变为被动语态的方法,含有双宾语的主动句变为被动语态时，通常把指 “人”的间接宾语变为主语，而指“物”的直接宾语则不变He gave me a book yesterday., I was given a book (by him) yesterday., 如果要把指“物”的直接宾语变为主语，则在间接宾语前加to或forI brought him some food., Some food was brought to him (by me).,含有复合宾语的主动句变为被动语态时，要将其中的宾语变成主语，宾语补足语不变Jim asked Tom to go for a walk., Tom was asked (by Jim) to go for a walk., 如果宾语补足语是不带to的动词不定式，主动语态变成被动语态时要加上不定式符号 toWe often heard Kate sing in the room., Kate was often heard to sing in the room (by us).,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.,【点拨】分析原句的句子结构可知，stole是谓语动词，my camera是句子的宾语；改为被动语态句时，应将my camera作句子主语，谓语动词用was stolen的形式2. Somebody stole my camera from my hotel room.,My camera was stolen 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?,We were advised not to go out alone.,The book was translated into different languages by different writers.,Complete the sentences with correct forms of the verbs in the box.,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.,were invited,eat, like, invite, tell, lock, ring, break, bring,were brought,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Decide whether active or passive forms should be used in these sentence. 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.,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.,was invented,was said,is used,When was the car invented? It was invented in 1885. Who were they invented by? They were invented by Julie Thompson. What are they used for? They are used for seeing in the dark.,Read the sentences and pay attention to the underlined parts.,The cake looks nice. Who made it?,It was made by my aunt.,Free talk,How delicious the soup is! Who cooked it?,It was cooked by Mom.,What a beautiful card it is! Who made it?,It was made by ,随堂练习,.根据句意及汉语提示完成句子。

1The boy lost his parents during the last years _(地震) 2The students were asked to _(翻译) the story into English.,earthquake,translate,3The police found the lost boy under the destroyed house through an _(仪器) 4I only have some _(饼干) and a glass of milk every morning. 5If you cant eat all these fruit，you may put some into your _(冰箱),instrument,biscuits,fridge,The girl is often heard to sing happily (by us) in her room.,A computer was bought for me by my parents last week.,An article was written by him last week.,. 将下列句子变为被动语态。

1. My parents bought me a computer last week. 2. We often hear the girl sing happily in her room. 3. He wrote an article last week.,A lot of money was saved this summer.,Large sums of money is spent each year in painting the steelwork of bridges.,6. He was seen to read a book in his room. (用I作主语，改为主动语态),I saw him read a book in his room.,4. He saved a lot of money this summer.,5. We spend large sums of money each year in painting the steelwork of bridges.,见讲义练习,布置作业,。