Unit 9 导学案教师模版.docx

1、Unit 9 导学案教师模版 Unit9 When was it invented? Period 1【学习目标】1.学会谈论发明物的历史。2.掌握一般过去时的被动语态。【学习重难点】一般过去时态的被动语态基本结构：助动词be（was / w ere）+及物动词 的过去分词A thief was caught last night.They were asked to speak at the meeting.肯定式：It was made.否定式：It was not made疑问式：Was it made? No, it wasnt Yes, it was【Step 1 :自学展示】自主完

2、成以下单词和词组1 发明 创造 2 计算器 3 用勺舀 4 调整的 5 后跟 6 电池供电的 7操作 8 拖鞋 9 加热 10用来做 1When was the car invented? It was invented in2Who were the light bulbs invented by? And what are they used for ?【Step 2:合作学习】主动语态与被动语态：英语动词有两种语态,即主动语态(The Active Voice)与被动语态（The Passive Voice)。主动语态表示主语是动作的执行者/ 被动语态表示主语是动作的承受者1. They

3、 make trains in Zhuzhou . 主动语态Trains are made in Zhuzhou. 被动语态 2.The farmers grow cotton every year. 主动语态Cotton is grown by the farmers every year. 被动语态被动语态的构成:助动词be+ (及物动词的) 过去分词 am (is, are) + done 一般现在时was (were) + done 一般过去时主动语态变为被动语态的步骤:1.把原主动句中的宾语转换为被动语态的主语.2.把动词改为被动形式,即 “be + 过去分词” . 注意 be动词要

4、按新的主语的人称和数进行变化,时态要和原来的主动语态的时态保持一致.3. 原来主动语态句中的主语,如果需要,就放在by后面以它的宾格形式出现. 如果没有必要就可以省略.其他的成分 (定语,状语) 不变, 句式也不能变.主动语态变被动语态的结构图:Bell invented the telephone in 1876. 主语 谓语动词过去时 宾语 时间状语The telephone was invented by Bell in 1876主语 谓语动词的过去分词 宾语 时间状语交流和展示：将下列各句改为被动语态1）.He wrote an article last week. 2）.The pe

5、ople make history. 3）.Do people use Chinese only in China? 4）.They didnt visit the city two years ago. 5） Where did you make them? 【Step 3:质疑导学】 1：双宾语 buy/make sb sth=buy/make sth for sb give sb sth=give sth to sb1）.My father bought me a computer. A computer was bought for me by my father.I was boug

6、ht a computer by my father.2）. He gives me a book. A book is given to me by him. I am given a book by him2、无to不定式变为被动时加上to一感feel 二听listen to.hear三让let.have.make四看watch. see. look at. noticeeg. We often see him play basketball. He is often seen to play basketball by us.3、注意动词短语的完整性The baby is taken g

7、ood care of by the nurse4、无被动语态的动词。take place happen come out come true die belong to【Step 4:学习检测】一）将下列各句改为被动语态1）. The woman asked the policeman for help. 2）. The old man on TV tells a story on Sunday. 3）. Do they use the box as a table? 4）. She sent me a collection last week. 5）. The teacher doesnt

8、 teach us math this term. 二）、用所给动词的正确形式填空：1) The bike _(fix) up by Xiao Ming yesterday.2) Sunglasses _ (use) for protecting peoples eyes.3) A picture _(put) up on the blackboard.4) French_ (speak) in France.5) Teenagers should _(allow) to choose their own clothes. 选择填空。( ) 1. The letter _ in French.

9、 Can you read it to me? With pleasure. A. wrote B. is writing C. is written D. is writing ( ) 2. This kind of rice tastes nice. Do you know where it is grown? Yes, it _ in Southeast China.A. was grew B. has grown C. is grown D. is growing ( ) 3. Smoking _ in public in France now. A. not allowed B. i

10、s allowed C. isnt allowed D. is allow( ) 4. Do you think that our classroom _ every day? Yes, I think so. A. should clean B. should be cleaning ( ) 5. Trees and flowers _ every year to make our country more beautiful. A. is planted B. was planted C. are planted D. were planted【课堂反思】 Period 2 Section

11、 A 1a-2c【学习目标】1、熟练掌握被动语态用法。2、学会用被动语态表达对创造和发明事物的认识和看法。【学习重难点】：1主动结构的宾语变为被动结构的主语；2主动结构的谓语动词由主动语态变为被动语态；3主动结构的主语变为介词by的宾语，组成介词短语，放在被动结构中谓语动词之后。在动作的执行者无须说明或不必强调时，by短语可以省略。4主动语态、被动语态两种时态要保持一致： We repaired the motor.The motor was repaired by us.【Step 1 :自学展示】 在课本中找出下列短语，写出其汉语意思。完成1A.1. be used for _2. sho

12、es with adjustable heels _3. battery-operated slippers _4. heated ice cream scoop _5. be invented by _【Step 2:合作学习】1、听力链接：1.仔细观察课本图片，用目标语言描述图中五项发明物的发明时间。 知识点拨I think the calculator was invented before the computer. 我认为计算器发明的比电脑要早。这里是一般过去时态的被动语态,由 was/were +过去分词构成。展示： ( ) (1) When _ this computer _?

13、Last year. A. did; make B. was; made C. is; made D. has; made( ) (2) This painting _ to a museum in New York in 1977. A. sells B. sold C. was sold D. is sold( ) (3) I wasnt at home yesterday. I _ to help with the harvest on the farm. A. was asked B. asked C. was asking D. had asked( ) (4) An organiz

14、ation _ to help disabled people three years ago. A. was set up B. is set up C. set up D. will be set up( ) (5) Did you win the basketball game? Bad luck. Our team _ in the final one. A. won B. beat C. was won D. was beaten1）、.听第一遍，整体感知听力内容。2）.听第二遍， 完成1b.3） 听音模仿。 a. 集体1遍。 b. 集体第二遍4）读：全班朗读。自己朗读。2. 听力步

15、步高2a，2b【Step 3:质疑导学】知识点拨. Its used for scooping really cold cream.它是用来舀很硬的冰淇凌的。be used for“被用来做”，介词for表示目的和用途，后面接名词或动名词形式。例如：Knives are used for cutting things. 刀子是用来切东西的。拓展迁移(1) be used for doing可以转换成 be used to do 的形式。注意used to do 是“过去常常”。例如：Knives are used to cut things. 刀子是用来切东西的。He used to walk to school, but no