新概念第二册17课市公开课一等奖百校联赛获奖课件.pptx

She is an actress,too.Which picture do you think is her now?NowbeforeShe often appears on the stage as a young girl.徐若瑄 第1页She is an actress，too.Which picture do you think is her now?Now16 years agoDoes she look young?Do you think how old she is?She must be at least 第2页at leastat+(the)+最最高高级级表表示示“最最”，“至至”at most 至多，最多至多，最多at first 最初，首先最初，首先 at the earliest 最早最早at least 最少，最少，起码最少，最少，起码 at last 最终，终于最终，终于 at the latest 最晚最晚e.g.There can be no more than fifty people in the audience at(the)most.At least two hundred have 第3页discussiondiscussion1.How old is your mother/father?2.Do they look young?3.Does your mother have any good way to stay young?4.Do they do a lot of exercises?5.Do they use any cosmetics【kzmetiks(化装品）?6.Do you have any good suggestions for staying healthy?第4页Lesson 17Always young第5页Listening to the tape and answer the Listening to the tape and answer the questions:questions:What is my aunt?How old is she?What does she wear in her new play?What does she answer if anyone asks her age?Which singer do you think looks younger than his/her age?Would you like to be always young?And why?Do you like to guess others age or not?第6页My aunt Jennifer This timeIn the playLast yearWhen being asked how old she isShe answered:a girl of seventeenDarling,it must be terrible to be grown up!第7页My aunt Jennifer is an actress.She must be at least thirty-five years old.In spite of this,she often appears on the stage as a young girl.must：在这里表示很必定推测：在这里表示很必定推测at least：at most in spite of：but,however第8页in spite of e.g.We went out in spite of the rain.In spite of the fact that he was angry,he helped me.Although he was angry,he help me.尽管，即使，不论第9页appear v.appearance n.disappear v.disappearance n.appear as:饰演饰演.角色角色on the stage;在舞台上在舞台上第10页Special difficultiesSpecial difficulties1.as:prep.=in the position of 作为作为 e.g.He works as an engineer.He works like an engineer.conj.=because 因为因为 e.g.I cannot come as I am busy.=at the time when e.g.As I was leaving the house,the postman brought a letter.=in the way that 按照按照方式方式 e.g.Do as you are 第11页Jennifer will have to take part in a new play soon.This time,she will be a girl of seventeen.In the play,she must appear in a bright red dress and long black stockings.take part in：join,enter fora girl of 17：a 17-year-old girlWhat does a girl of 17 look like?What will she wear?第12页Special difficultiesSpecial difficultiesdress：”女服女服”“女礼服女礼服”suit:“男装男装”“（一套）衣服（一套）衣服”costume:在在尤尤其其场场所所下下穿穿衣衣服服，如如戏戏服服，化化装装舞会上服装舞会上服装 e.g.All the actors wore the fifteenth-century 第13页 Last year in another play,she had to wear short socks and a bright,orange-coloured dress.If anyone ever asks her how old she is,she always answers,Darling,it must be terrible to be grown up!If anyone ever asks her how old she is,第14页orange coloredn.+ed=adj.a pair of high-heeled shoes 一双高跟鞋一双高跟鞋a white-haired doctor 一个白发苍苍医生一个白发苍苍医生a honey-mouthed boyfriend 一个甜言蜜语男友一个甜言蜜语男友第15页in：穿穿衣服衣服bright red：亮红，亮红，dark green?sock n.短袜短袜 old socks=buddy老兄老兄 Pull up your socks！【！【谚语】谚语】鼓起劲来！鼓起劲来！第16页1._ aunt Jennifer_an actress.Myis2._ _at least _ years old.She must bethirty-five3.In spite of this,_ _appears_ the stage _a young girl.sheoftenonas第17页1.Jennifer_ _take part in_ _.will have toa new play soon2.This time,_ _a girl of seventeen.shewill be3._ the play,_ _ appear _ _ bright red dress _ long black stockings.Inshemustinaand第18页1.Last year_ _ play,_had to wear short socks _ _bright,orange-coloured dress.inanothersheanda2._anyone_asks_how old_ _,_ _ answers,Darling,_ _terrible_grown up!Ifeverhersheisshealwaysitmust beto be第19页mustmust1.1.表示义务，表示义务，have to have to 必须必须musthave to强调主观I dont like it.I must leave.强调客观Its late.I have to go单一时态不能用于will和shall 后时态丰富have to/had to/will have to 否定表示不允许mustnt非其否定回答否定表示不需要neednt ，dont have to 第20页mustmust2.2.表示推测表示推测 must+v.(原原)表示对现在情况必定推测表示对现在情况必定推测e.g.Mary must have some problem.She keeps crying.must+have+done 表示对过去情况必定推测表示对过去情况必定推测e.g.I called very loud.He must have heard 第21页mustmust3.mustnt 表示禁止表示禁止 e.g.You mustnt smoke here.4.4.表示埋怨表示埋怨 e.g.Why must it rain again on Sunday?第22页Key structures 情态动词情态动词must must 主观 必须 have to 客观 have got to 客观 现在must do 表推测 过去must have 第23页eg.你必须少抽些烟。你必须少抽些烟。You must cut down on smoking.Im afraid I must go now.eg.Must you leave now?Yes,I must./No,I 第24页Key structureslmust与与have to普通可交换，但表示普通可交换，但表示“必须必须”时，时，must着重说明主观看法，着重说明主观看法，have to比较强调客观需要。比较强调客观需要。eg.I must tidy up the room.我必须清扫一下房间。（主观想法）我必须清扫一下房间。（主观想法）I have to tidy up the room.我不得不清扫一下房间。（客观需要）我不得不清扫一下房间。（客观需要）第25页Key structureslhave to有些人称、数、时态改变，而有些人称、数、时态改变，而must没有没有eg.I had to go to see the dentist.She had to go shopping yesterday.在否定结构中在否定结构中：dont have to 表示表示“无须无须”mustnt表示表示“禁止禁止”eg.You dont have to tell him about it.你不一定要把此事告诉他。你不一定要把此事告诉他。You mustnt tell him about it.你一定不要把这件事告诉他。你一定不要把这件事告诉他。第26页Key structureslmust be可用来表示对现在情况推测，（只有可用来表示对现在情况推测，（只有在在必定句必定句中能这么用，这种揣测比中能这么用，这种揣测比may be表表示要必定得多）：示要必定得多）：eg.He must be working in his office.She must be over forty.试比较：eg.He must be staying there.他现在必定呆在那里。他现在必定呆在那里。He must stay there.他必须呆在那。他必须呆在那。第27页Key structureslmust 表示对已发生事情推测时，要接完表示对已发生事情推测时，要接完成式成式。eg.I didnt hear the phone.I must have been asleep.我刚才没有听到电话，我想必是睡着了。我刚才没有听到电话，我想必是睡着了。第28页Difficultieslgrow vi.生生/成长，渐渐变得，增加，增高成长，渐渐变得，增加，增高 vt.种植，栽培，培育种植，栽培，培育e.g.Farmers grow rice.e.g.Money doesnt grow on trees.Absense makes the heart grow fonder.lgrow up 长大；长成；成年长大；长成；成年 第29页