新概念二册第17课(共51张)课件.ppt

Lesson 17Always young1.If he_(not,do it),I_(do)it.2.If you _(be)late for school,your teacher _(be)angry.arewill be3 If she_(win)the prize,we _(be)happy.winswill be4.If I _ (not,eat)so much,I _(get)thinner.5.If you _(tell)them,they _ (not,believe)you.dont eatwill gettellwont believe6.I _(stay)at home,If it _(rain).7.If it _(not,rain),I _(go)out.8.we _(play)football,If it is _(sun).9.If she _(become)a star,her parents _ (not,send)her away .10.He _(watch)TV,if he _(be)free.will stayrainsdoesnt rainwill gowill playsunnybecomeswont sendwill watchisdoesnt dowill doListen in class,or you wont understand what to do.If you dont listen in class,you wont understand what to do.1)Eat some breakfast,or youll get hungry at school.2)Hurry up!Well be late!3)Read the instructions carefully.Then youll know what to do.If you dont eat some breakfast,youll get hungry at school.If you dont hurry up,well be late.If you read the instructions carefully,youll know what to do.I want to get high scores.If _(work hard/do well)you work hard,you will do well.1.-how can I remember my friends birthdays?-If_ (keep a note in your diary/remember).2.-Its late,but I dont want to go to sleep.-If _ (not get enough sleep/feel tired at school).you keep a note in your diary,you will remember.you dont get enough sleep,youll feel tired at school.3.-I dont like speaking English outside the classroom.-If_(not practice/not improve).4.-Should I tell my teacher I dont understand the homework?-If_(tell her/can help you).5.-Is it OK if I watch TV for six hours?-If_(you watch too much/eyes hurt).you dont practice,you wont improve.you tell her,she can help you.you watch too much TV,your eyes will hurt.appear v.扮演,登台appearance n.外貌disappear v.disappearance n.appear as:扮演扮演.角色角色We cant judge by his appearancestage n.舞台 阶段on the stage：在舞台上in the stage：在某一阶段At an early stage of the playappear on the stage bright the sun was very bright.the boys are very bright.he has a bright future.Sock n.短袜短袜 Stocking n.（女用）长筒袜（女用）长筒袜情态动词情态动词mustKey structuresMustMust1.1.表达义务，表达义务，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（各种时态）have to/had to/will have to 否定表示不允许,禁止mustnt否定表示不需要neednt ，dont have to MustMust2.2.表达推测表达推测 must+v.(原原)表示对现在情况的肯定推测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表示对过去情况的肯定推测e.g.I called very loud.He must have heard me.MustMust3.mustnt 表示禁止表示禁止 e.g.You mustnt smoke here.4.4.表示抱怨表示抱怨 e.g.Why must it rain again on Sunday?Summary 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 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 neednt.Special Special difficultiesdifficultiesSpecial difficultiesSpecial difficulties1.as:prep.=in the position of 作为（作为（1）e.g.He works as an engineer He works like an engineer （他不是工程师，但行为举止像工程师）（他不是工程师，但行为举止像工程师）conj.=because 因为（因为（2）e.g.I cannot come as I am busy.=at the time when（3）e.g.As I was leaving the house,the postman brought a letter.=in the way that 按照按照的方式（的方式（4）e.g.Do as you are told.Special difficultiesSpecial difficulties2.dress ：”女服女服”“女礼服女礼服”suit :“男装男装”“（一套）衣服（一套）衣服”costume:在特别场合下穿的衣服，如戏在特别场合下穿的衣服，如戏 服，服，化装舞会上的服装化装舞会上的服装 e.g.All the actors wore the fifteenth-century costumesGrow and Grow up grow vi.生长，成长，发育生长，成长，发育 Trees of the kind dont grow in our country.How tall youve got!Youve grown a lot.grow up 长成，成熟（其被动态表示长大成人）长成，成熟（其被动态表示长大成人）Lucy has grown up a lot since I last saw her.Special difficultiesShe is an actress,too.Which picture do you think is her now?NowbeforeShe often appears on the stage as a young girl.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 Discussion1.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(化妆品）?6.Do you have any good suggestions for staying healthy?怎么保持容颜青春永驻怎么保持容颜青春永驻每天一斤水果每天一斤水果 一杯牛奶（一杯牛奶（不含不含三聚氰胺三聚氰胺）一小时一小时有氧运动有氧运动（较缓和的运（较缓和的运动）动）一个友情一个友情故事故事（书（书 ）一个爱情故事一个爱情故事（尽量（尽量 少看电视少看电视 伤皮肤的！）伤皮肤的！）一个一个笑话故事笑话故事Key phrases!at least 至少in spite of this 尽管尽管 appear on the stage as 在舞台扮演在舞台扮演have to 不得不不得不 take part in 参加参加 a new play一个新剧一个新剧a girl of seventeen17岁的女孩岁的女孩bright red dress 鲜艳的红色鲜艳的红色A long black stocking长黑丝长黑丝Wear short socks 穿短袜穿短袜 A bright orange coloured dressgrown up 成长成长 Listening to the tape and Listening to the tape and answer the questions:answer the 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?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!My aunt Jennifer is an actress。