新概念英语第二册-Lesson17课件.ppt--（课件中不含音视频）

1、Lesson 17Always young appear vi.出现，显露（反义词是出现，显露（反义词是disappear）The ship appeared on the horizon(地平线地平线).appear as 扮演扮演角色角色He appeared as a prince.vi.似乎，看起来好象（与似乎，看起来好象（与seem同义），同义），显得显得(系动词，后面直接加形容词系动词，后面直接加形容词)He appears nervous.他显得很紧张他显得很紧张(看起来看起来)Now it appears you are wrong.He appears to be young

2、 bright adj.鲜艳的鲜艳的The sun was very bright.The boy is very bright.He has a bright future.bright red 鲜红色；鲜红色；bright yellow 明黄色；明黄色；bright blue 宝蓝色宝蓝色 stage n.舞台舞台on the stage：在舞台上：在舞台上in the stage：在某一阶段：在某一阶段,时期时期in the early stage in our history。在我们的历史早期。在我们的历史早期。stocking n.（女用）长筒袜（女用）长筒袜sock n.短袜短袜【

3、Special difficulties】情态助动词情态助动词 must 情态动词情态动词must和和have to都有都有“必须必须”的含义，它们的含义，它们的用法如下：的用法如下：（一）、must“必须”、“应该”1.must 表示“必须”、“应该”。We must protect our environment.(我们必须保护环境。）Everyone must obey the rule.（人人必须遵守制度。）2.must的否定形式的否定形式must not表示表示“不应该不应该”、“禁止禁止”、“不准不准”。语气比较强烈。语气比较强烈。You mustnt speak like tha

4、t.(你不应该像那样讲你不应该像那样讲话。）话。）You mustnt be late for school.（你不应该上学迟（你不应该上学迟到。）到。）3.在回答在回答must的问句时，肯定形式用的问句时，肯定形式用must来回答，但否来回答，但否定形式用定形式用neednt 或或dont have to来回答。而不用来回答。而不用mustnt来回答。例如：来回答。例如：Must I be home before 8 oclock?Yes,you must.No,you neednt./No,you dont have to.（二）、（二）、have to 表示表示“必须必须”、“不得不不得

5、不”，例如：，例如：He has to stay in bed for 3 or 4 days.We will have to get up early tomorrow.补充：补充：have got to是是 have to的口语形的口语形式。式。Ive got to leave for Nanjing.*Must与 have to的区别：must表示的是说话人的主观看法，而have to则表示的是客观需要。Must一般只有现在时，而have to有更多的形式。I must go now.(主观看法)My mother is ill,so I have to go now.(客观需要)1.-

6、Must I do it now?-No,you _.A.neednt B.dont have to C.mustnt D.A or B 2.Its nearly seven oclock.Jack _be here at any time.A.must B.need C should D can.3.When can I come for these photos?I need them tomorrow afternoon.-They _be ready by 12:00.A.can B.should C.might D.need【课文讲解】【课文讲解】My aunt Jennifer i

7、s 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.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.Last year in

8、 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!Can you answer these questions?1)What does Aunt Jennifer do and how old is she?My aunt Jennifer is an actress and She must

9、 be at least thirty-five years old.2)What part does Jennifer often act on the stage?She often appears on the stage as a young girl.3)What does she think of being grown up?It must be terrible to be grown up1、My aunt Jennifer is an actress.以以-ess结尾的是女性；以结尾的是女性；以-or、-er结尾的是男性结尾的是男性actor 男演员男演员 ；actress

10、 女演员女演员:waiter 男服务员男服务员；waitress 女服务员女服务员prince 王子王子；princess 公主公主lion 公狮子公狮子；lioness 母狮子母狮子God 上帝上帝 ；Goddess 女神女神 (God 上帝上帝,注意注意“G”大写大写)2、She must be at least thirty-five years old.年龄的两种表示方法：年龄的两种表示方法：数字数字+years old，作表语，作表语thirty-five years old 三十五岁三十五岁 数字数字+-year-old，作定语，作定语my four-year-old daught

11、ermust+动词原形动词原形 不得不不得不,必须；必须；(对现在的对现在的)推测推测at least 至少至少,最少最少Hes been away for at least a week.at most 最多最多 There were at most 350 people in the hall.She must be at most fifteen years old.她最多十五岁她最多十五岁She must be at least fifteen years old.她至少十五岁她至少十五岁Must+原形原形(1)have to“不得不，必须不得不，必须”I must go to sch

12、ool=I have to go to school.have to可以有任意时态可以有任意时态She will have to.She doesnt have to She had to.She has to.She has/I have had to.(2)（对现在的）推测（对现在的）推测对现在的推测：对现在的推测：must do对过去的推测：对过去的推测：must have doneShe must be in the classroom now.She must have done her homework,because I saw him singing in the room.3

13、、In spite of this,she often appears on the stage as a young girl.in spite of 不管，尽管不管，尽管(“of”为介词为介词,后面一定后面一定会加名词、代词或从句会加名词、代词或从句)=despitein spite of this 尽管如此尽管如此In spite of this,I still like school.as的用法的用法 作为介词，可以表示作为介词，可以表示“作为作为”、“以以身份身份”等等In this film,he appeared as a policeman.作为连词，可以表示作为连词，可以表示

14、“因为因为”、“正当正当时候时候”You must take care of the bady tomorrow as I am going to London.（因为，由于）（因为，由于）As we were talking about him,he knocked at the door.（正当（正当时候）时候）Do as you are told.叫你怎么做就怎么做叫你怎么做就怎么做(按你被告知按你被告知的那样去做的那样去做)（以（以方式）方式）4、Jennifer will have to take part in a new play soon.join 参加了某一种团体参加了某一种

15、团体,成为其中一员成为其中一员join the army 参军参军 join the party 入党入党join in:参加入一种娱乐活动或者游戏参加入一种娱乐活动或者游戏 join in the game take part in:参加某一种活动参加某一种活动take part in the race 参加比赛参加比赛 take part in a playtake part in the sports meeting.attend：出席：出席 attend the meeting.attend the party 出席宴会出席宴会 5、In the play,she must appea

16、r in a bright red dress and long black stockings.in(+颜色、衣服颜色、衣服)穿着穿着样的衣服，用介词短语样的衣服，用介词短语取代动词取代动词The boy is in green.She is in jeans.wear wear a beard 留胡子留胡子n穿戴的衣服穿戴的衣服 mens wear underwear 内衣内衣6、If anyone ever asks her how old she is,she always answers,Darling,it must be terrible to be grown up!ever=

17、at any time 任何时候任何时候(时间副词时间副词)it must be 一定一定(表示推测表示推测)grown-up adj.成年人成年人What are you want to be when you are grown up.be grown-up 作为一个成年人作为一个成年人grow 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.自从我上次见到她之后，露西已成熟了许多。自从我上次见到她之后，露西已成熟了许多。What do you want to do when youre grown up?Some people never grow up.有些人总是成熟不起来。有些人总是成熟不起来。祝您成功！