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1、She is an actress,too.Which picture do you think is her now?,Now,before,She often appears on the stage as a young girl.,徐若瑄,She is an actress，too.Which picture do you think is her now?,Now,16 years ago,Does she look young?,Do you think how old she is?She must be at least,at least,at+(the)+最高级表示“最”，“
2、至”,at most 至多，最多,at first 最初，首先,at the earliest 最早,at least 至少，最少，起码,at last 最后，终于,at the latest 最晚,e.g.There can be no more than fifty people in the audience at(the)most.At least two hundred have left.,discussion,1.How old is your mother/father?2.Do they look young?3.Does your mother have any good
3、way to stay young?4.Do they do a lot of exercises?5.Do they use any cosmetics【kzmetiks(化妆品）?6.Do you have any good suggestions for staying healthy?,Lesson 17,Always young,Listening to the tape and answer the questions:,What is my aunt?How old is she?What does she wear in her new play?What does she a
4、nswer 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?,a girl of seventeen,Darling,it must be terrible to be grown up!,My aunt Jennifer is an actress.She must be at least thirty-five year
5、s old.In spite of this,she often appears on the stage as a young girl.,must：在这里表示很肯定的推测,at least：at most,in spite of：but,however,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，虽然，不管,appear v.appearance n.disa
6、ppear v.,disappearance n.,appear as:扮演.角色,on the stage;在舞台上,Special difficulties,as:prep.=in the position of 作为 e.g.He works as an engineer.He works like an engineer.conj.=because 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
7、way that 按照的方式 e.g.Do as you are told.,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 for,a girl of 17：a 17-year-old girl,What does a girl of 17 look like
8、?What will she wear?,Special difficulties,dress：”女服”“女礼服”suit:“男装”“（一套）衣服”costume:在特别场合下穿的衣服，如戏服，化装舞会上的服装 e.g.All the actors wore the fifteenth-century costumes,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
9、answers,Darling,it must be terrible to be grown up!If anyone ever asks her how old she is,orange colored,n.+ed=adj.,a pair of high-heeled shoes 一双高跟鞋,a white-haired doctor 一个白发苍苍的医生,a honey-mouthed boyfriend 一个甜言蜜语的男友,in：穿衣服,bright red：亮红，dark green?,sock n.短袜 old socks=buddy老兄 Pull up your socks！【谚
10、语】鼓起劲来！,1._ aunt Jennifer_an actress.,My,is,2._ _at least _ years old.,She,must be,thirty-five,3.In spite of this,_ _appears_ the stage _a young girl.,she,often,on,as,1.Jennifer_ _take part in_ _.,will,have to,a new play,soon,2.This time,_ _a girl of seventeen.,she,will be,3._ the play,_ _ appear _
11、_ bright red dress _ long black stockings.,In,she,must,in,a,and,1.Last year_ _ play,_had to wear short socks _ _bright,orange-coloured dress.,in,another,she,and,a,2._anyone_asks_how old_ _,_ _ answers,Darling,_ _terrible_grown up!,If,ever,her,she,is,she,always,it,must be,to be,must,表达义务，have to 必须,m
12、ust,2.表达推测 must+v.(原)表示对现在情况的肯定推测e.g.Mary must have some problem.She keeps crying.must+have+done 表示对过去情况的肯定推测e.g.I called very loud.He must have heard me.,must,3.mustnt 表示禁止 e.g.You mustnt smoke here.,4.表示抱怨 e.g.Why must it rain again on Sunday?,Key structures 情态动词must,must 主观 必须 have to 客观 have got
13、 to 客观 现在must do 表推测 过去must have done,eg.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 neednt.,Key structures,must与have to一般可互换，但表示“必须”时，must着重说明主观看法，have to比较强调客观需要。eg.I must tidy up the room.我必须打扫一下房间。（主观想法）I have to tidy up the room.我不得不打扫一下房间
14、。（客观需要）,Key structures,have to有人称、数、时态的变化，而must没有eg.I had to go to see the dentist.She had to go shopping yesterday.在否定结构中：dont have to 表示“不必”mustnt表示“禁止”eg.You dont have to tell him about it.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。,Key structures,must be可用来表示对现在情况的推测，（只有在肯定句中能这样用，这种揣测
15、比may be表示的要肯定得多）：eg.He must be working in his office.She must be over forty.试比较：eg.He must be staying there.他现在肯定呆在那里。He must stay there.他必须呆在那。,Key structures,must 表示对已发生的事情的推测时，要接完成式。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。,Difficulties,grow vi.生/成长，渐渐变得，增长，增高 vt.种植，栽培，培育e.g.Farmers grow rice.e.g.Money doesnt grow on trees.Absense makes the heart grow fonder.grow up 长大；长成；成年,
