新概念英语第二册课件Lesson-17(共20张PPT).ppt

1、Lesson 17Lesson 17Always young1.My aunt Jennifer is an actress.以-ess结尾的是女性；以-or、-er结尾的是男性actor男演员actress女演员waiter 男服务员waitress女服务员prince 王子 princess lion lioness doctor 男医生 god 神女神母狮子公狮子goddess公主woman doctor 女医生2.She must be at least thirty-five years old.年龄的两种表示方法：数字+years old，作表语eg.I am thirty yea

2、rs old 数字-year-old，作定语eg.She is my four-year-old daughtermust+动词原形不得不,必须；(对现在的)推测eg.She must be at most fifteen years old.她最多十五at least 至少,最少at most最多3.In spite of this,she often appears on the stage as a young girl.in spite of 不管，尽管(“of”为介词,后面一定会加名词、代词或从句)eg.There is always much work to do in the s

3、chool.In spite of this,I still like school.In spite of his age,he is learning to drive.汉译英：尽管下雨，我仍要去上学。In spite of the rain,I still go to school.appear pi v.vi.出现，显露(反义词是disappear)eg.The plane appeared./The plane disappeared.vi.当众露面；登场(演出等)eg.I cant appear in this dress at the party.appear as 扮演角色eg

4、.He appeared as a prince.prns n.王子 vi.似乎，看起来好象(与seem同义)，显得eg.He appears nervous.他显得很紧张(看起来)名词：appearance1 He works _ a pilot.2 He came to China _a tourist five years ago.3 You mustnt shout so loudly _ you will wake up the baby.4 _ we were listening to the radio,someone knocked at the door.as 用法asasa

5、sAs(1)It was snowing _he arrived at the construction site.他到达工地时,天正在下雪.(2)He was watching TV _ his mother was cooking.他母亲做饭时他在看电视.(3)You will grow wiser _ you grow older.你会随着年龄的增长而越来越聪明.whenwhileasas when while(1)He will succeed _he is in earnest.他一定会成功,因为他很认真.(2)_you are so sure of it hell believe

6、you.既然你对此如此有把握,他会相信你的.(3)_ rain has fallen,the air is cooler.因为下过雨,空气比较清爽.becauseSinceAsstage steid n 舞台on the stage 在舞台上in the stage 在某个时期eg.I can sleep on the stage.The next stage will be harder.下一步会更加艰难。4.Jennifer will have to take part in a new play soon.take part in 参加某一种活动take part in the race

7、 参加比赛take part in a playjoin参加了某一种团体join the army 参军join the partyjoin us 加入我们(这个团体)中来attend出席(会议、宴会)attend the meeting 参加会议,出席会议attend the party 出席宴会attend the class 上课Thank you for your attending.谢谢大家的出席(到来)入党1 My sister bought a new_ yesterday.2 My brother never wears ready-made _3 All the actors

8、 wore fifteenth-century _.dresssuitscostumesdress suit costume1 Children _ quickly.The grass has _ very high.2 Some people never _.grow upgrowgrowngrow grow up1 Trees take a long time to _ (grow/grow up)2 My father bought a new _ recently.(suit/costume)3 She hired a _ for the fancy-dress party.(suit

9、/costume)4 Do you like my sisters new _?(dress/costume)growsuitcostumedress情态助动词must Must译为“必须”，可以表示“必要，命令或强制，邀请，决心，不可推卸的责任”等多处含义。它没有时态和人称变化，通常只用于现在时和将来时。在其他时态时，must的有些含义可以用have to或have got to。这三种形式一般可以互换，但用于第一人称时，have to(have got to)强调客观的要求或外在的原因，must则强调主观的要求或表示说话的人认为自己有权做某事。Key structuresmust常用来表示

10、一种不可逃避的义务。eg.He must leave now.We must do our homework everyday.He must run to school.must 也可用来表示推测eg.He must be very tired.She must be over forty.must表肯定的猜测，可以理解为 一定,肯定否定的推测用canthave to 不得不eg.We have to have breakfast.We have to take an exam.have to 与 must 的区别。一般情况下可以互换。must是情态动词,have to是实意动词。must

11、没有时态和人称的变化，可用于一般将来时和一般现在时。Have to 有人称和时态的变化，可用于各种时态。1.We dont have to run to school because its not early.2.She has to finish her homework.3.He had to have a swim before going to bed.4.I must wash my hand.5.She must read.6.We mustnt smoke.mustnt 表示绝对禁止1.You _ be hungry already you had lunch only two hours ago！A.wouldnt B.cant C.mustnt D.neednt2.It_ have been Tom that parked the car here,as he is the only one with a car.A.may B.can C.must D.should3.I cant leave.She told me that I _stay here until she comes back.A.can B.must C.will D.may