人教版九年级英语unit3 Period1.ppt

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1、Teenagers should be allowed to choose their own clothesGo for it J9Section ASection A1a-2cLook at the following pictures.Do you think the girl in the picture is beautiful?Why?She can choose the clothes that she likes.Can you choose your own clothes?Do your parents let you buy the clothes you really

2、like?Your parents dont allow you to choose your own clothes.You are not allowed to choose your own clothes.I want to play with my friends.But my father doesnt allow.I think teenagers should be allowed to go out to play with their friends.Parents should allow teenagers to go out with their friends.Pa

3、rents should allow six-year-olds to drive.Parents should allow fifteen-year-olds to choose their own clothes.Teenagers should be allowed to go out with their friends.Sixteen-year-olds should be allowed to drive.Fifteen-year-olds should be allowed to choose their own clothes.Listening(1b:P18)Listenin

4、g(1b:P18)1.Anna can go to the mall with John.1.Anna can go to the mall with John.2.Anna wants to get her ears pierced.2.Anna wants to get her ears pierced.3.Anna is allowed to choose her own 3.Anna is allowed to choose her own clothes.clothes.T TF FT T2a Listen and check()what Kathy thinks.Circle“Ag

5、rees”,“Disagrees”,or“Doesnt know”to show what Molly thinks.KathyMolly 1.Sixteen-year-olds should not be allowed to work at night.2.Larry shouldnt work every night.3.He should cut his hair.4.He should stop wearing that silly earring.5.He doesnt seem to have many friends.6.He shouldnt work on weekends

6、.Agrees Disagrees Doesnt knowAgrees Disagrees Doesnt knowAgrees Disagrees Doesnt knowAgrees Disagrees Doesnt knowAgrees Disagrees Doesnt knowAgrees Disagrees Doesnt know It looks cool.Young people need to sleep.He needs to spend time with friends.He needs time to do homework.It doesnt look clean.4 1

7、 5 2 32b Listen again.What are Kathys and Mollys reasons?Number their reasons in the correct order.Sample dialogue 1:A:Do you think teenagers should be allowed to have mobile phones?B:Yes.Its convenient for students and their parents to communicate with each other.2c PAIRWORK Make a list of things t

8、eenagers should and should not be allowed to do.Discuss your list with your partner.1.allow v.允许允许allow 做动词，意为做动词，意为“允许允许”，侧重听任、默认、不，侧重听任、默认、不劝阻，不按常规行事。常用于下列结构中：劝阻，不按常规行事。常用于下列结构中：allow sb.to do sth.允许某人做某事允许某人做某事 allow doing sth.允许做允许做.be allowed to do 被允许做被允许做.She allowed me to go fishing.她允许我去钓鱼她

9、允许我去钓鱼We dont allow smoking in the reading-room.我我们不允许在阅览室吸烟。们不允许在阅览室吸烟。The boy should be allowed to play after supper.应该允许小男孩晚饭后出去玩。应该允许小男孩晚饭后出去玩。2、sixteen-year-olds 16岁的青少年岁的青少年这是一个合成词，其结构为：数词这是一个合成词，其结构为：数词year-old，其中的，其中的year不能用复数。不能用复数。试比较：试比较：The boy is sixteen years old.那个男孩那个男孩16了。了。The boy

10、is a sixteen-year-old.那男孩说个那男孩说个16岁的青岁的青少年。少年。The old man is eighty years old.那个老人那个老人80岁了。岁了。He is an eighty-year-old man.他是一位他是一位80岁的老人。岁的老人。She is a five-year-old girl.她是一个她是一个5岁的女孩。岁的女孩。The girl is five years old.那个女孩那个女孩5岁了。岁了。3、silly adj.傻的；愚蠢的；糊涂的，其比较级傻的；愚蠢的；糊涂的，其比较级是是sillier，最高级，最高级silliest。

11、Dont be silly.别傻了。别傻了。It was silly of you to trust him.你信任他，真是愚蠢。你信任他，真是愚蠢。指点迷津指点迷津foolish，silly与与stupid 三个单词都含有三个单词都含有“愚蠢愚蠢”的意思，但略有不同，概括的意思，但略有不同，概括起来相当于反语的起来相当于反语的“愚蠢、傻和笨愚蠢、傻和笨”，其中，其中stupid的的语气最强，指智力、理解力和学习能力差，虽然有时语气最强，指智力、理解力和学习能力差，虽然有时与前两个单词通用。与前两个单词通用。silly指头脑简单、傻头傻脑、可指头脑简单、傻头傻脑、可笑。笑。foo1ish用法最

12、普通。用法最普通。Stop asking such silly questions别再问这样傻别再问这样傻的问题了。的问题了。You silly child你这傻孩子。你这傻孩子。(带感情色彩带感情色彩)He is stupid in learning math.他学数学很笨。他学数学很笨。You are foo1ish to throw away such a chance你真蠢，丢掉这么一个机会。你真蠢，丢掉这么一个机会。4.licence“执照，许可证执照，许可证”,多用于美国英语，多用于美国英语，英国英语为英国英语为licence。a drivers licence 驾照驾照 busi

13、ness license 营业执照营业执照5.seem 意为意为“似乎，好像似乎，好像”,后接不定式，构成后接不定式，构成seem to do 句型。句型。The earth problem seems to be difficult.注意：注意：seem to do 句型可以与句型可以与it seems that 句型转句型转换。转换时要注意其主语的转移。试比较：换。转换时要注意其主语的转移。试比较：I seem to have seen him.=It seems that I have seen him.我好像见过他。我好像见过他。6.at that age在文中相当于在文中相当于at

14、the age of sixteen，意为，意为“在十六岁时在十六岁时”。如：如：He cant do such a thing at that age.He doesnt seem to have many friends.=It seems that he doesnt have many friends.他好像没有许多朋友。他好像没有许多朋友。定义定义:表示主语是动作的承受者表示主语是动作的承受者.构成构成:助动词助动词be+及物动词的过去分词。助动词有人称、及物动词的过去分词。助动词有人称、时态和数的变化。时态和数的变化。含有情态动词的被动语态：情态动词含有情态动词的被动语态：情态动词

15、be及物动词及物动词的过去分词。的过去分词。用法：当我们不知道谁是动作的执行者，或者没有必用法：当我们不知道谁是动作的执行者，或者没有必要指出谁是动作的执行者，或者只强调动作的承受者时，要指出谁是动作的执行者，或者只强调动作的承受者时，要用被动语态。要用被动语态。被动语态被动语态1.1.规则动词的过去分词：规则动词的过去分词：1)1)一般情况在动词原形后一般情况在动词原形后加加-ed-edwatch-watched2)2)以不发音以不发音e e结尾的加结尾的加-d-dpractice-practiced3)3)以辅音加以辅音加y y结尾的，去结尾的，去y y变变i i加加-ed-edstudy

16、-studied4)4)以重读闭音节结尾，末尾只有一个辅音字母，以重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加先双写该辅音字母，再加-ed-edstop-stopped2.2.不规则动词的过去分词不规则动词的过去分词：amisarebeenhavehashaddodonewritewrittengogoneI think students should be allowed to do homework with friends.I disagree.They talk instead of doing homework.Sixteen-year-olds should not

17、 be allowed to drive.I agree.They arent serious enough at that age.Do you think sixteen-year-olds should be allowed to work at night?No,I dont.同义句转换同义句转换1.They should allow us to have part-time jobs._.2.We should allow children to spend time with their friends._.3.The teacher should allow Anna to finish the picture._.4.Parents should allow children to choose their own friends._.uThe telephone _(invent)by Bell in 1876.uThe trees may _(plant)in spring.uTeenagers should not _(allow)to drive.uEnglish _(speak)in Canada.uMath must _(study)well.uWe _(need)to learn English.Finish the sentences