人教版英语九年级全册Unit 6 When was it invented? Section A (1a-1c)学案

人教版英语九年级全册第六单元Section A (1a-1c)导学案
Unit 6 When was it invented Section A (1a-1c)
预习目标：
To listen and talk about the important inventions and their history , using passive voice.
(1).--When was … invented --I think it was invented in…
(2). I think … is invented before/after…
2. 通过谈论重要发明，引出一般过去时态的被动语态以及用法。
预习导学：
复习前面学过的一般现在时态的被动语态：
结构：主语 + be (is \ am \ are) + 动词过去分词 + 其它.——肯定句
主语 + be (is \ am \ are) + not + 动词过去分词 + 其它.——否定句
Be (is \ am \ are) + 主语 + 动词过去分词 + 其它？——一般疑问句
例句：The green trees are planted by the side of the mountains.（肯定句）
The green trees aren’t planted by the side of the mountains. （否定句）
Are the green trees planted by the side of the mountains （一般疑问句）
练习题：用所给词的正确形式填空。
1.Keys __________ (use) for locking the door.
2. English ___________ (speak) In England.
3.The baby ___________ (look) after by his baby.
4. Basketball ___________ (play) on the playground.
5. Rice ___________ (grow) in China.
6. Most of the farm work ____________ (do) by machines in northern China.
参考答案：1.are used 2.is spoken 3.is looked 4.is played 5.is grown 6.is done
预习导学：
由invent一词引出一般过去时态的被动语态：invent , 发明， 动名词；invention，发明，名词；inventor，发明家，名词。Talk about inventions:
e.g. Edison, a great inventor, invented many great inventions during his life.For example , light bulb is one of them.
That means “Edison invented light bulbs ”= Light bulbs were invented by Edison.
Bell invented the first telephone in 1876. = The first telephone was invented (by Bell ) in 1976.
Karl Benz invented the first car in 1885. =The first car was invented (by Karl Benz) in 1885.
J. L. Baird invented the first television in 1927. = The first television was invented (by J. L. Baird) in 1927.
1a Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them (1-4) ( 1=first , 4=last )
Then work in pairs to practice the conversation like this:
A: I think the TV was invented before the car.
B: Well , I think the TV was invented after the car.
运用句型：A: I think … was invented before / after ...
B: Well, I agree with you. 或者 Well , I think ...
1b Listen and match the inventions with the years.
______ 1876 ______ 1885 ______ 1927 _______ 1971
参考答案：d.telephone——1876 a.car——1885 c.television——1927 a.car——1971
听力材料中涉及一般过去时的被动语态的句子：The telephone was invented in 1876. \ Cars were invented in 1885. \ The TV was invented around 1927. \ Personal computers were invented in 1976.
一般过去时的被动语态：主语+ was/ were + 及物动词-ed形式 + 其它。（肯定句）
主语+ was/ were + not + 及物动词-ed形式 + 其它。（否定句）
Was/ Were + 主语 + 及物动词-ed形式 + 其它？（一般疑问句）
例如：The classroom was cleaned yesterday (by students). （肯定句）
The classroom wasn’t cleaned yesterday (by students). （否定句）
Was the classroom cleaned yesterday (by students) （一般疑问句）
又如：The flowers were watered by the little girl. （肯定句）
The flowers weren’t watered by the little girl. （否定句）
Were the flowers watered by the little girl （一般疑问句）
1c Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again.
A: When was the telephone invented
B: I think it was invented in 1876.
类似的练习：
A: When was the car \ computer \ television invented
B: It was invented in ...
练习题：
翻译句子
1. 电话是什么时候发明的？ When _______ the telephone ______
2. 汽车是谁发明的？________ was the car invented _______
3. 电视机的发明早于电话吗？Was the television _________ __________ the telephone
4. 不是。电视机的发明晚于电话。No , the television ________ invented ________ the telephone.
5. 家庭电脑约于1971年问世。 Personal computers ________ _________ _________ 1971.
参考答案：
was , invented 2.Who , by 3. invented , before 4.was , after 5.was invented around
用所给词的正确形式填空。
Oh , look at the tall building , do you know when _____ it _______ (build)
Tom didn’t come to the party because he _________ _________ (not invite).
Luckily , the sick man ________ _________ (take) to the hospital in time.
In American history , Dr. Martin Luther King ________ _________ .(kill)
The book _______ __________ (write) by the famous Chinese writer called Lu xun.
I _______ __________ (tell) not to swim alone by my teachers.
按要求改写句子。
1.Bell invented the first telephone. （改为被动语态）The first telephone _____ ________ by Bell.
2.The played basketball at school yesterday.（同上） Basketball ____ _______ at school by them.
参考答案：
1.was , built 2.wasn’t invited 3.was taken 4.was killed 5.was written 6.was told
同学们，以上就是人教版英语九年级全册第六单元When was it invented Section A (1a-1c)导学案，希望你们认真对待。每个单元的第一节课，主要是听和说，目的是通过目标语言的训练来积累素材，一定要牢牢掌握。本单元的主要内容是一般过去时的被动语态，要掌握结构was\were+及物动词的过去分词+其它。另外，后面的练习是为了巩固一般过去时的被动语态。