人教九年级全一册_UNIT6 Section A 1a—1c 导学案(无答案）
《Unit6 When was it invented?》
SectionA(1a-1c)学案
【学习目标】：
1.学习一般过去时的被动语态和特殊疑问句
2. 掌握一下句型“
When was it invented?
Who was it invented by?
What is it used for?
3.了解一些日常生活中常见物品的发明历史，如：电视、电脑、电话、汽车等，包括他们被发明的时间、被什么人发明及其作用。在学习中， 懂得人类的科学发明创造了丰富的物质文明。
重点：要求学生掌握三个句型
难点：三个句型的使用。Who was it invented by? 和What is it used for?中的介词学生容易丢掉，要注意多加练习。
【课前准备】：
I．比较下面两句话的区别：
Bell invented telephone.______语态
The telephone was invented by Bell.______语态
根据我们学习的一般现在时的被动语态的结构总结出一般过去时的被动语态。
【自主学习】：
一般过去时态的被动语态构成：
肯定句：主语+was/were+done+其他：
Bell invented the telephone in 1876.----The telephone was invented.(例句1)
否定式：主语+was/were+not+done+其他
The telephone wasn’t invented.
一般疑问句：Was/Were+主语+done+其他？
_______________________________________?（把例句1改为）
特出疑问句：特出疑问词+was/were+主语+done+其他？
When was the telephone invented?
小试牛刀：把下列句子改为被动语态
1.I didn’t lend anybody my books._____________________________
2.Did you send your brother gifts?_____________________________
3.She bought her brother a dictionary._______________________________
4The boy ate the biscuits in two minutes.__________________________
5.When did people invent 
paper?________________________________
【合作探究】：
- Work in groups to discuss the order of the things in 1a.
E.g.: A: I think the TV was invented before the car.
B: Well,I think the TV was invented after the car.
2.Work in pairs to practice the conversations.
【随堂检测】：
一、根据括号内的要求改写句子
1.Cai Lun invented paper.（改为被动语态）
Paper _____ ______ ______ Cai Lun.
2.The car was invented in 1885.( 对划线部分提问)
______ ______ the car invented?
3.We used it to scoop ice cream. (改写同义句)
______ ______ _______scooping ice cream by us.
二、完成句子
1. 汽车是什么时候发明的？它是在 1885 年被发明的。
When _________ the car________? It _____ _____ _____1885
2.带灯的鞋子是什么时候发明的？是去年发明的。
When ________shoes with lights ______? They _____ _____last year.
3. 他们是谁发明的。是朱丽.汤普森发明的。
_____ were they ____ _____? They were _____ ____Julie Thompson.
4. 他们是用来做什么的？ 是用来在黑暗中视物的。
What are they ____ ____? They’re used _____ _____ in the dark.
5.我认为电话的发明要早于汽车的发明。
I think the telephone _______ __________ _________the car.
【课后作业】：
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