Unit-6-When-was-it-invented？(第3课时)学案-(新版)人教新目标版

年级：九年级（英语）班级：学生姓名：制作人：不知名编号6单元Unit6 When was it invented?语法一般过去时的被动语态【预学案】●概念：一般过去时的被动语态表示过去某一时间的被动动作或过去经常性、习惯性的被动动作。

●标志词: yesterday(...), last(...), ...ago, just now, in 2022, 根据上下文判断●构成：was/were＋及物动词的过去分词●句式：肯定句.否定句一般疑问句？Yes, . No, .特殊疑问句？●主动句与被动句的判断：①看主语和谓语是主动关系还是被动关系① by 由,被●主动句如何改成被动句：主动句：主语+及物动词+宾语+状语。

被动句：主语+be+及物动词过去分词(+by+宾语)+状语。

宾语主语The people built No. 5 Middle school in 1980.No. 5 Middle School was built in 1980 by the people.Rewrite these sentences using the passive voice.1. Someone stole my watch.2. They used five eggs to make this big cake.3. When did they invent the personal computer?4.They asked not to run n the hallway.5. Someone took the video back to the store.【探究案】Grammar Focus1.完成下列句子① 拉链是什么时候被发明的？______ _____ the zipper ________?① 它于1893年被发明。

It ______ _________ in 1893.① 它是由谁发明的？______ _____ it invented ______?① 它是由惠特科姆•贾得森发明的。

Unit 6 When was it invented?(Section A 1a~2d) (听说课)编写: 杨莉审核：i 挂科领导: i 使用者: i学习目标1.熟练掌握本课的重点单词和短语。

2.利用身边的发明,说出它们的用途和功能。

学习过程: Step1 ,感知(一)、了解话题 1. 填一填1.在1876年2.带特殊鞋跟的鞋子3.被用于4.鞋子的形状5.带灯的鞋子6.加热冰激凌的勺子7.我们的日常生活8.不同的发明9.有道理10.在那个时候2.完成练习册p76 1 ,2 3题(二) 初听材料听录音，完成1b相应练习(三) 发现疑难利用1b信息与同伴练习对话完成1c,找出疑难。

Step2 , 内化(一) 祥听材料听录音，完成2a和2b(二)、互动释疑【疯狂背诵】1. I think the TV was invented before the car.我认为电视机先于汽车被发明。

被动语态一般的构成形式为:be+动词过去分词（+by+动作的发出者）。

其中助动词be有人称、数和时态的变化。

一般现在时:am/is/are+done(过去分词)一般过去时：was/were+done(过去分词)一般将来时：will+be+done(过去分词)含有情态动词的：情态动词+be+done(过去分词)即学即用:1），The mobile phone has influenced people’s life a lot since it.A. inventsB. inventedC. is inventedD. was invented2). Who designed this game? It by Tom in 1999.A. is designedB. designsC. was designedD.designed2.—What are they used for?—They are used for seeing in the dark.——它们是用来做什么的?——它们是被用来在黑暗中照明的。

Unit 6 When was it invented?Section A 2 (3a-3c)一、教学目标：1. 语言知识目标：1) 学习掌握下列词汇：by accident, ruler, boil, remain, smell, saint, national,take place, doubt, without doubt2）阅读短文，能按要求找到相应的信息。

3）通过阅读提高学生们的阅读能力。

4) 了解茶叶被发明的历史及生产制作的简要过程。

2. 情感态度价值观目标：培养想象力，善于观察事物。

面对难题，用积极的态度去解决，发挥想象力，认识世界，改造世界。

二、教学重难点1. 教学重点：1) 掌握本部分出现的生词和词组，达到熟练运用的目标。

2) 阅读短文，获得相关的信息。

通过阅读练习，来提高阅读能力。

2. 教学难点：1) 阅读短文，获得相关的信息的能力。

2) 理解并运用所学的词汇及表达方式。

三、教学过程Ⅰ. RevisionRole-play the conversation in 2d.Ⅱ. Lead-in话题引入：What will you do if you are really thirsty?III. Task based reading(任务型阅读)Task 1. Look through the 1st paragraph and match them into sentences.1. Ss read the 1st paragraph quickly and match.2. Check up the answers.The tea was first drunk nearly five thousand years ago.Shen Nong was boiling drinking water over an open fire.Some leaves fell into the water.The ruler was brave enough to taste the brown water.Task 2. Listen to the 2nd paragraph and answer:1.Who wrote the book Cha Jing? Answer is B.2.What is Cha Jing about?Answers: It mentioned that Shen Nong discovered tea.The book describes how tea plants were grown and used tomake tea.It also discusses where the finest tea leaves were produced andwhat kinds of water were used.Task 3. Skim the 3rd paragraph and find out the country and time.方法指导：先阅读所给的三句话，然后快速阅读短文，抓住每一段的主题句，找到答案。

教师学科教案[ 20 – 20 学年度第__学期]任教学科：_____________任教年级：_____________任教老师：_____________xx市实验学校Unit 6 When was it invented?Section A 教案徐金翠Ⅰ.Teaching Aims and Demands：(1)Key V ocabulary: Invent-invented calculator-calculate be used for(2) Target Language: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.2. Ability Objects(1) Train the students' listening skill.(2)Train the students' communicative competence using the target language.(3) Train the students to use the new vocabulary.Ⅱ.Teaching aim:Step1: RevisionThe Passive V oice:被动语态的结构：be+V过去分词;. 被动语态的所有变化体现在be上，be有人称、时态和单、复数的变化practicecheck the answers.Step2:lead in1.Show some photos to students, let them talk about:A: What’s this? B: It’s a beautiful car.A: When was the car invented? B: It was invented in .A: Who was it invented by? B: It was invented by2. let students make dialogues by themselves.3.Turn to Page68 point 1a, let Ss talk about these five pictures. Then number them(1-5)4.According to their answer, groupwork.A:The calculator was invented before the computer.B：I think the calculator was invented after the computer.Step3: Practice:1.Listening practice:2.Point to 1b, listen to then tape, complete by Ss.3.Check the answer.4.Listen to the tape again, Let Ss repeat after the tape.5.Oral practice:According to the listening, let Ss make dialogue justlike1c.6.check the dialogue.7.Wrting practice: Complete the practice by Ss.8.Check the answers.Step4:Conclusion小结：一般过去时的被动语态，其结构为“主语+ was / were +动词的过去分词”。

Unit 6 When was it invented？第3课时Section A（Grammarfocus-4c）类别课时要点重点单词1. low adj.低的，矮的；2.translate v.翻译；3.lock v.锁上；n. 锁；4.sudden adj. 突然的；重点词组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把书翻译成不同种的语言5. all of sudden突然6. work on 从事，进行重点句式1. ---When was the zipper invented?---It was invented in 1893.---拉链是什么时候发明的？---它是在1893年被发明的。

2. ---Who was it invented by?---It was invented by Whitcomb Judson .---它是由谁发明的？--它是被惠特科姆.贾德森发明的。

3. The fridge was sold at a low price.这个冰箱被以低价卖掉了。

4. The students were told not to eat or drink in class. 学生们被告知在课堂上既不吃或喝任何东西。

II. 课堂环节§自主学习方案【新词自查】根据汉语提示完成单词。

1. The boy lost his parents during the last year’s earthquake (地震).2. The students were asked to translate (翻译) the story into English.3. The police found the lost boy under the destroyed house through an instrument (仪器)。

Unit 6 When was it invented？（第3课时）教学设计一. 教材分析Unit 6 “When was it invented?” 是人教版小学英语PEP教材三年级下册的一单元。

本单元主要学习过去时态，让学生掌握询问过去发生事情的疑问词和回答。

通过本单元的学习，学生能够听、说、读、写一般过去时态，并用一般过去时态描述过去发生的事情。

本课时的教学内容为故事课，通过讲述一个男孩和女孩谈论他们喜欢的玩具的历史，引出一般过去时态的概念。

二. 学情分析在学习本课时，学生已经掌握了基本的日常用语，具备一定的听说读写能力。

但部分学生对过去时态的理解和运用还不够熟练，需要通过本节课的学习进一步巩固。

此外，学生对本单元的主题“玩具”感兴趣，有助于提高他们的学习积极性。

三. 教学目标1.知识目标：–能够听、说、读、写一般过去时态的句子。

–能够运用一般过去时态描述过去发生的事情。

–掌握疑问词“When”及其回答方式。

2.能力目标：–能够流利地进行过去时态的对话。

–能够根据情境运用一般过去时态进行交际。

3.情感目标：–培养学生对英语学习的兴趣。

–培养学生与人分享、合作的精神。

四. 教学重难点•一般过去时态的构成和运用。

•疑问词“When”的提问和回答。

•一般过去时态在实际交际中的运用。

•疑问词“When”在句子中的位置和用法。

五. 教学方法1.情景教学法：通过设定情景，让学生在实际语境中学习、运用过去时态。

2.交际法：引导学生进行角色扮演、小组讨论等互动活动，提高口语表达能力。

3.任务型教学法：设计具有实际意义的任务，让学生在完成任务的过程中运用过去时态。

六. 教学准备1.准备课件和教学素材，包括图片、视频等。

2.准备教材和练习册。

3.准备录音机、磁带或音响设备。

4.准备黑板和粉笔。

七. 教学过程1.导入（5分钟）–利用图片或实物展示本节课的主题“玩具”，引导学生谈论自己喜欢的玩具。

–教师提问：“你们喜欢什么玩具？为什么？”鼓励学生用英语表达自己的观点。

Unit 6 When was it invented教学目标一、教学目标：1. 语言知识目标：1) 能掌握以下单词：crispy, salty, sour, by mistake, customer, in the end2) 能掌握以下句型：①Potato chips were invented by mistake.②The customer was happy in the end.2. 情感态度价值观目标：了解世界上一些对人类有着重大意义的发明的相关信息，开阔学生的眼界，培养学生的创造精神。

重点1. 掌握本课时出现的生词及用法。

2. 进行听力训练，提高综合听说能力。

难点进行听力训练，提高综合听说能力。

教学用具多媒体课件、录音机教学环节说明二次备课复习新课导入课程讲授Step1. Warming up1. Let Ss watch an interesting picture.2. Ask some questions about them.(1). What did they eat?S1: Ice cream.(2). What did the big dog thi nk of the ice-cream?S2: Sweet, cool, and delicious!Well, let’s look at some other delicious food, please.Step2. TalkingWork on 1a1. Tell Ss that the words in the box describe how food can taste. Write them under the correct pictures. S ome pictures have more than one word.2. Ss work with their p artners and try to write some proper wordsunder the pictures.3. Let some Ss read their answers. Try to remember the new words.Work on 1b(1). Let some Ss read the adjec tive words in the box. Make sure they all know the mean in g of each word.(2). Ss discuss with their partners. Try to write the name of a different food after each word.Step3. ListeningWork on 1c1. Tell Ss the conversation is about how the potato chips were invented. The story is very interesting.2. First, let one Ss read the senten ces in 1c. Make sure they know the meaning of each sentence.3. Play the recording for the Ss. Listen for the first time. Play the recording again and judge T or F.4. Listen and answer the questions.Work on 1d(1). Let Ss read the article in 1d first. Tell Ss to listen again and fill in the blanks with the righ t words.(2). Play the recording again for the Ss to listen and write the words.(3)Check the answers.Step4.Pair work1.Work in pairs. Make a conversations about the invention ofpotato chips. Use the information in 1c and 1d.2.Ask some pairs to act out their conversati ons in front of theclass.。