辽宁省灯塔市第二初级中学九年级英语全册 Unit 6 When was it invented（第3课时）导学案（无答案）（新版）人教新目标版（通用）

When was it invented学习目标课程要求：1、擅长使用手动语音。2、学习用被动语态表达对创造和发明事物的认识和看法。教育困难：主动语音被动语态实现目标：1.主动结构的宾语成为被动结构的主语。主动结构的谓语动词从主动语态变成被动语态。3.主动结构的主语变成介词by的宾语，构成介词短语，放在被动结构的谓语动词后面。如果动作的执行者不需要解释或强调，则可以省略By短语。，学习过程：上课前展示。【】导入方案：warmup :ask the students to practice speaking。A : when was.invented？B : it was invented in.A: Who was it invented by？B : it was invented by.A: What is it used for？B : it is used for.唤起对境界的兴趣。【】1)培训助理，annoyingask students to give some examples to show what each word means . for example。A vacuum cleaner is helple。a very loud truck is annoying。2)教育3a显示Alarmclock、lightbulb、microwave over、tea和so on的屏幕。then ask the students the following questions。t : is the light bulb use ful or annoying？(Opinions may differ。）S1: I think its useful。T: Why is it？S1: well，it gives people more time to work and play every day。then ask the students to make a list of five helper inventions and five annoying inventions on their own .give the class about five minutes to do this。自学导航整合和扩展imagine that you are alone on a tiny island，choose five inventions you would like to have on the island with you。tell the group what you chose and why。：合作探索ask the students to work in pair the following talk using the target language。a : what do you think is the most helper/annoying invention？b : I think the most helper/annoying invention is.A: Why is that？B : well，it gives people.显示提升案例分析知识转移转换句型1.she was seen to come out of the library by him .(手动语音更改)2.when are trees offen planted？(手动语音更改)3.the league was founded in guangzou in 1922(有关图部分的问题)4.did the students wear the school clothes a lot？(手动语音更改)5.Kate took god care of the baby yester day evening。(手动语音更改)6.His aunt bought him a bicycle。(手动语音更改)7.His aunt bought him a bicycle。(手动语音更改)集中训练常见故障排除示例：1.老年人受到很好的照顾。The old _ _ _ _ _ _ _ _ _ _ _ after well。分析：这个问题主要调查被动语态的结构be动词的过去分词和应用。在这个问题中，您必须成为be looked after。2.You can use the box _ the toys。A.carry b . carrying c . to carry d . carried分析：用于复习这个问题中的一句话，sth to do利用某物做某事，所以答案是c。归纳总结本课程的主要内容是主动和被动声音的练习转换。板书设计Unit 9 When was it invented？转换句型1.she was seen to come out of the library by him .(手动语音更改)2.when are trees offen planted？(手动语音更改)3.the league was founded in guangzou in 1922(有关图部分的问题)4.did the students wear the school clothes a lot？(手动语音更改)5.Kate took god care of t