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1、Unit 5 What are the shirts made of?Period One（Section A 1a-2c)Teaching aims1.掌握本课单词和短语掌握本课单词和短语be made of 和和be made in 的用法。了解一般现的用法。了解一般现在时态的被动语态的结构和用法。在时态的被动语态的结构和用法。2归纳和掌握由归纳和掌握由make构成的短语。构成的短语。New Wordsmaterial n.材料材料 原料原料 chopstick n.筷子筷子a pair of chopsticks 一双筷子一双筷子coin n.硬币硬币 corn n.玉米玉米 fork
2、n.餐叉，叉子餐叉，叉子 blouse n.(女式）短上衣，衬衫女式）短上衣，衬衫silver n.银，银，银器银器 adj.银色的银色的 glass n.玻璃玻璃 glasses 眼镜眼镜 cotton n.棉，棉，棉花棉花steel /sti:l/n.钢，钢，钢铁钢铁 still /stil/仍然，还仍然，还What is the thing called?It is called-.silversteelwoodcottonWhat is the thing called?It is called-.papersilkWhat is the thing called?It is call
3、ed-.glassgoldgold barsWhat is the thing called?It is called-.chopsticks bowlWhat are these things made of?They are made of-.Practice：What are the thing made of?It is made of-.What are these things called?They are called-.What are they made of?They are made of-.Where is the car made in?It is made in
4、Japan.Listening 1.Listen and match the products with what they are made of and where they were made(page 33 1b).2.Listen and finish the task 2a,2b of page 34.Pairwork What is the thing called?It is called-.What are the thing made of?It is made of-.Where is the thing made in?It is made in-.chair wood
5、 KoreaWhat is the thing called?It is called-.What are the thing made of?It is made of-.Where is the thing made in?It is made in-.Pairworkscarf silk ThailandGrammar被动语态被动语态（一）语态：英语的语态是通过动词形式的变化表现出来（一）语态：英语的语态是通过动词形式的变化表现出来的。的。英语中有两种语态：主动语态和被动语态。英语中有两种语态：主动语态和被动语态。主动语态表示主语是动作的执行者。主动语态表示主语是动作的执行者。例如：例如
6、：Many people speak Chinese.谓语：谓语：speak的动的动作是由主语作是由主语many people来执行的。来执行的。被动语态表示主语是动作的承受者，即行为动作的对象。被动语态表示主语是动作的承受者，即行为动作的对象。例如：例如：Chinese is spoken by many people.主语主语English是动词是动词speak的承受者。的承受者。（二）被动语态的构成被动语态由（二）被动语态的构成被动语态由“助动词助动词be及及物动词的过去分词物动词的过去分词”构成。人称、数和时态的变化是构成。人称、数和时态的变化是通过通过be的变化表现出来的。现以的变化
7、表现出来的。现以speak为例说明被动为例说明被动语态在各种时态中的构成。语态在各种时态中的构成。一般现在时：一般现在时：amisarespoken 一般过去时：一般过去时：waswerespoken 一般将来时：一般将来时：willshall bespoken 现在进行时：现在进行时：amisare beingspoken 过去进行时：过去进行时：was/were beingspoken现在完成时：现在完成时：havehas beenspoken 过去完成时：过去完成时：had been+spoken（三）被动语态的用法三）被动语态的用法（1）不知道或没有必要说明动作的执行者是谁。）不知道或
8、没有必要说明动作的执行者是谁。例如：例如：Some new computers were stolen last night.一些新电脑在昨晚被盗了。（不知道是谁偷的）一些新电脑在昨晚被盗了。（不知道是谁偷的）This bridge was founded in 1981.这座桥竣工于这座桥竣工于1981年。年。（2）强调动作的承受者，而不强调动作的执行者。）强调动作的承受者，而不强调动作的执行者。例如：例如：The glass was broken by Mike.玻璃杯是迈克玻璃杯是迈克打破的。打破的。This book was written by him.这本书是他写的。这本书是他写的
9、。Your homework must be finished on time.你们的家你们的家庭作业必须及时完成。庭作业必须及时完成。四）主动语态变被动语态的方法四）主动语态变被动语态的方法（1）把主动语态的宾语变为被动语态的主语。）把主动语态的宾语变为被动语态的主语。（2）把谓语变成被动结构（）把谓语变成被动结构（be过去分词）过去分词）（根据被动语态句子里的主语的人称和数，以及原来主动语（根据被动语态句子里的主语的人称和数，以及原来主动语态句子中动词的时态来决定态句子中动词的时态来决定be的形式）。的形式）。（3）把主动语态中的主语放在介词）把主动语态中的主语放在介词by之后作宾语，将主
10、格之后作宾语，将主格改为宾格。例如：改为宾格。例如：All the people laughed at him.He was laughed at by all people.They make the bikes in the factory.The bikes are made by them in the factory.He cut down a tree.A tree was cut down by him.（五）含有情态动词的被动语态（五）含有情态动词的被动语态含有情态动词的主动句变成被动句时，由含有情态动词的主动句变成被动句时，由“情态动情态动词词be过去分词过去分词”构成构成
11、We can repair this watch in two days.This watch can be repaired in two days.They should do it at once.It should be done at once.用所给动词的正确形式填空用所给动词的正确形式填空.1.English _(speak)in many countries.2.Information in short-term memory _(can,not,keep)very long.3.After that,one of the lights _(turn off)and the r
12、at had to wait for a short time.4.Just a few years ago,tomatoes _(believe)to have magical powers,making people who ate them fall in love.5.It is said new copies of the book _(print)now.6.The old house _(pull)down next month.7.In the old days,the children _(take care of)by the mother because she did
13、not work outside the house.8.Needless to say,the second list of words _(can,remember)more easily than the first one.9.She _(send)to another village when I got there.10.The teacher said that we _(give)another chance some time next month if we failed in the exam.Exercises:The keys:1.is spoken 2.cannot be kept 2.3.was turned off 4.were believed3.5.are being printed 6.will be pulled 4.7.were taken care of 8.can be remembered 5.9.had been sent 10.would be given HomeworkReview the use of the passive voice.Do some exercises about the passive voice.Thank you!