人教版九年级Unit 6 When was it invented -Section A Grammar focus 4a—4c-ppt课件-(含教案+视频)-市级公开课-(编号：915e4).zip

Do you know what these inventions are? telephone car television Karl Benz Do you know who these inventors are? Alexander Bell J. L. Baird Can you match the inventions with the right inventors? J. L. Baird Alexander Bell Karl Benz Karl Benz invented the first car in 1885. The first car was invented (by Karl Benz) in 1885. The first telephone was invented (by Bell) in 1876. Bell invented the first telephone in 1876. The first television was invented (by J. L. Baird) in 1927. J. L. Baird invented the first television in 1927. 1876 1786 When was it invented? Was it invented in 1927 1967 1885 1727 When was the car invented? It was invented in 1885. Who was it invented by? It was invented by Karl Benz. 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. Grammar Focus 一般过去时的被动语态的句式结构 肯定句 主语+was/were+及物动词的过去分词 （ + by） 否定句 主语+was/were + not+及物动词的过去分 词（+ by) 疑问句 Was/Were+主语+及物动词的过去分词（ +by )? 特殊疑问词+was/were+主语+及物动词的 过去分词（ + by.)? 4a Rewrite the sentences using the passive voice. 1.They sold the fridge at a low price. 2.Somebody stole my camera from my hotel room. My camera was stolen from my hotel room. The fridge was sold at a low price. 冰箱 低的 某人 3. Where did you take these photos? Where were these photos taken? 4. Our parents advised us not to go out alone. We were advised not to go out alone by our parents . 5. Different writers translated the book into different languages. The book was translated into different languages by different writers. 翻译 4b Complete the sentences with the 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. eat lock like ring invite break tell bring were invited were brought 地震 突然 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 钟（声） 饼干 曲奇 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 was invented was born worked learnt 音乐的 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 said is used 器械，设备 1. What was the invention ? 2. Who was it invented by? Listen and answer the questions. 3. How many mistakes had he made before it was finally invented? 4.What can we learn from the story? 1. What was the invention ? It was the light bulb. 2. Who was it invented by? It was invented by Thomas Edison. Listen and answer the questions. 3. How many mistakes had he made before it was finally invented? 4.What can we learn from the story? He had made more than 500 mistakes. We should work hard and never give up. Great Inventions inGreat Inventions in Ancient ChinaAncient China 造纸术 活字印刷术 地动仪 毕昇 蔡伦 Great Inventions inGreat Inventions in Modern ChinaModern China Father of Hybrid Rice -Yuan Longping Hybrid Rice Yuan Longping the Hybrid Rice. The Hybrid Rice Yuan Longping invented was inventedby Tu Youyou Artemisinin 青蒿素 TuYouyou the medicine. The medicine Tu youyou invented was invented by Can you think of any other Chinese inventions? Actually, in China, we have had the Silk Road and the Sea Silk Road since Xi Han Dynasty. They not only sent silk to Europe but also tea, china pieces and so on. President Xi Jinping expects to build the Silk Road economic belt to connect the Asian and European markets better. 1.Make five sentences using the passive voice. 2.Find out some more information about some inventions. THANK YOU ! BYE-BYE! Unit6 When was it invented? SectionA（Grammar Focus4a-4c） 一、教材分析：一、教材分析： 1.本单元话题 讲述各种发明的历史。 2.本单元重点掌握目标 一般过去时的被动语态。 3.教材内容拆分分析 Grammar Focus 主要是对本单元的句型，语法的总结 4a 通过把下列句子变成被动语态，训练单元语法知识。 4b 通过词形的正确形式填空，对单元重点词汇及重点语法进行 巩固。 4c 用所给词的正确形式填空，通过文章了解电话的发明史。 4.通过本单元的学习学生需掌握哪些综合技能 通过本单元的学习使学生学会谈论各种发明的历史，熟练使用被 动语态。 二、学情分析：二、学情分析： 从英语语言知识上来说，在经过一节听说课和一节阅读课的教学 后，大部分学生对被动语态都有了不错的了解与掌握，尤其是对 When was it invented? Who was it invented by?What is it used for?句型有 了一定的认识与理解； 从文化知识上来说，同学们对历史知识，尤其是与日常生活相关 联的历史知识充满了好奇与渴望。 三、教学过程：三、教学过程： I ITeaching objects and demands: Knowledge objects: 1.Grasp the key words and expressions: Words：fridge, low, somebody, translate, lock, earthquake, Phrases：at a low price, all of a sudden, work on , less than Sentence structures： When was the zipper invented? It was invented in1893. 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. Alexander Graham Bell invented the telephone in 1876. The telephone was invented (by Alexander Graham Bell) in 1876. 2.Learn the passive voice especially sentences in Simple Past Tense。 Ability objects： Learn to solve problems by pairwork or groupwork. Learn to express our opinions using the passive voice. To improve students listening , speaking, reading and writing. Moral objects: Chinese people are hard-working and smart, weve created many objects that are very important in humans life .We are proud of being Chinese. Never give up, youll make it. 、Teaching key points： 1.The key words and phrases。 2.Passive voice of past tense。 、Teaching difficult points： Passive voice of past tense。 、Teaching methods： Pairwork Task-based language teaching Listening 、Teaching procedures: Step 1.Warming up Show the pictures of some inventions and ask students to guess what they are. Show the pictures of the inventors and tell the students their names. Then let them match the inventions with the inventors. Have students practise the sentence structure“was invented by”by talking about the inventions. Step2. Brainstorm. Ask students to answer the questions“when was it invented?Was it invented in”according to the information learnt just now. Step3.Pairwork Have students work in pairs to talk about the inventions they know using the sentence structures: Who was it invented by? When was it invented ? What is it used for? Give them several minutes. Then invite several pairs to say their conversations. Step4. Grammar focus Let students look at the grammar focus and read the sentences. Then ask students to summarize how to make sentences using the passive voice. Then show the structure of the passive voice on the screen. After that, do some exercises. Step5. Exercises. 4a. Point out the new words and give some necessary explanation. Then give students some minutes to write the sentences using the passive voice. Invite different students to share their answers with the students 4b. Look at the verbs first. Make it clear when to use the passive voice, when to use the active voice. Then let them work on their own. Ask some students to read the sentences. Check the answers. 4c. Ask students to look through the passage quickly to learn what the passage is mainly about. Then discuss with their partners. Invite a student to read the completed passage. Check the answers. Step6. Listening Show 4 questions on the screen. Read the questions. Then play the video about the invention of the light bulb. Ask students to listen to it .After listening , ask students to answer the questions. If necessary, we can listen again. Point out that we will make it if we never give up. Step7. Expansion. Tell students that we Chinese have also made a lot of great inventions. Ask students to think of some great inventions in ancient china first, then some inventions in modern China, such as Yuan Longping and his hybrid rice ,Tu Youyou and her Artemisinin. Practice the passive voice at the same time. Then show the inventions such as tea , china pieces, silk and so on. Thus lead to the Silk Road in ancient china and the Silk Road Economic Belt nowadays. Tell students that we Chinese are always smart and hard- working. We have made so many great and important inventions that have influenced peoples lives deeply. We are proud of being Chinese. Step8.Summary and homework Today weve mainly learnt something about passive voice and some inventions. After class ,please finish these two tasks: 1. Write five sentences using the passive voice. 2. Find some more information about some inventions. Blackboard design: Unit 6 when was it invented? When was it invented? Who was it invented by? What is it used for?