内容正文:
Unit 1 When was it invented?
Section A Grammar focus-4c
单元
Unit 1
课时
第3课时
教学
目标
语言知识:
1. 能正确掌握词汇和短语fridge; low; somebody; translate; lock; earthquake; sudden; all of a sudden; bell; biscuit; cookie; musical; instrument 等;
2. 能够准确地将主动语态与被动语态进行句式转换。
文化意识:
1. 培养想象力,发挥想象力,鼓励学生观察事物。
2. 面对难题,用积极的态度去解决,认识世界,改造世界。
学习能力:
1. 正确理解和使用一般过去时被动语态结构;
2. 理解并识别被动语态的特殊情况(双宾语、主动表被动等)。
思维品质:
通过一般过去时主动语态与被动语态的对比,能总结出转换规律和结构, 并建立相关知识之间的联系。
学习
重难点
1. 掌握一般过去时主动语态变被动语态结构:was/were+ done +by+其他;
2. 区分被动语态特殊用法(双宾语、短语、主动表被动等),能正确运用被动语态。
课前预习
一般过去时的被动语态
1.结构:
一般过去时的被动语态表示主语是过去某个动作的承受者,谓语动词由“_________________________”构成。
2.句型:
(1)肯定句:主语+_____________________________+其他.
例句:_______________________________________________________________.
纸是中国人在二千多年前发明的。
(2)否定句:主语+_____________________________ +其他.
例句:_______________________________________________________________.
这些书没有按时归还。
合作探究
任务一:
课堂导入。根据视频,初步感知一般过去时的被动语态。
任务二:
通过Grammar Focus.表格发现主动语态如何变成被动语态的规律,并总结一般过去时的被动语态的结构。
任务三:
通过Grammar Focus.表格,分析句子结构,归纳总结一般过去时态的被动语态肯定句/否定句/一般疑问句/特殊疑问句的结构。
任务四:
拓展学习被动语态的四种特殊情况(短语动词,双宾语,感官动词和使役动词及不用被动语态的情况)。
任务五:
独立完成4a/4b/4c活动,强化训练主动语态和被动语态的转换,区别一般现在时被动语态与一般过去时被动语态。进一步掌握本课目标语言。
任务六:
情感升华,将所学知识进行迁移运用有条理的讲述一项发明。
随堂速练
一、单项选择
1.—How can we beat this kind of disease? It is spreading at a ________ speed.
—No worries. Eat well, sleep well and keep safe distance… and we can keep healthy or get well soon.
A.magical B.right C.rapid D.low
2.The visitors ________ a warm welcome when they arrived at our school.
A.give B.gave C.are given D.were given
3.—Why hasn’t Tony come?
—The invitation letter ________ to Toby by mistake.
A.was emailed B.has emailed C.is emailed D.emailed
二、多句选词填空
fly serve collect interest choose
4.She to play for China in 2010.
5. stamps was Jack’s only hobby when he was a little boy.
6.Because of his excellent , Neil Armstrong became famous.
7.—When did he become in skiing? —When he was only five years old.
8.There was something wrong with the plane. So they had to cut the short.
【答案】
课前预习
1.was/were+动词的过去分词
2.(1)was / were+及物动词的过去分词
Paper was invented by Chinese people two thousand years ago.
(2)was/were not+及物动词的过去分词
The books were not returned on time.
随堂速练
一、
1.C 2.D 3.A
二、
4.was chosen 5.Collecting 6.service 7.interested 8.flight
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