1、Unit6When 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
2、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 expres
3、sions: 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 broug
4、ht to Korea during the 6thand 7thcenturies. 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 (byAlexander Graham Bell) in 1876. 2.Learn the passive voice especially sentences in Simp
5、le Past Tense。 Ability objects： Learn to solve problems by pairwork or groupwork. Learn to express our opinions using the passive voice. To improve studentslistening , speaking, reading and writing. Moral objects: Chinese people are hard-working and smart, weve created many objects that are very imp
6、ortant 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
7、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 ta
8、lking about the inventions. Step2. Brainstorm. Askstudents 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 invente
9、d 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 sh
10、ow 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
11、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 abou
12、t. 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 answe
13、r 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
14、, such as Yuan Longping and his hybrid rice ,Tu Youyou and herArtemisinin. 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 Chi
15、nese 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?
