新概念第二冊Lesson17課件(共39張)

1、Lesson 17Always young 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. 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 brigh

2、t red dress and long black stockings. 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 !”Q and A: 1.Is your aunt Jennifer an actress or a nurse? She is

3、an actress.2.Is she over thirty or is she under thirty years old? She is over thirty.3. Does she often appear on the stage as a young girl or not? She often appears on the stage as a young girl.4.Will Jennifer act the part of a girl of seventeen in a new play soon or not?She will be a girl of sevent

4、en in a new play.5. Does she ever tell anyone how old she really is or not ?She never tells anyone how old she is.【New words and expressions】 1. appear v. 登場, 扮演 vi. 出現(xiàn)（反義詞是disappear）agree-disagree like- dislike happy-unhappy I cant appear in this dress at the party.appearance n.出現(xiàn)；外貌Dont judge a ma

5、n by his appearance. 不要以貌取人。2. bright adj. 鮮艷的bright color(colour) 鮮艷的顏色bright red 鮮紅色； bright yellow 明黃色； bright blue 寶藍(lán)色adj. 光明的bright future/prospect 光明的未來adj.聰明的bright ideas 聰明的主意The little boy is really bright. 3.stocking n. 長筒襪（不僅僅是女用）stockings4.sock n. 短襪 a pair of socks 一雙襪子【課文語法講解】must 情態(tài)動詞

6、表示推測表示不可避免的義務(wù)（必須.）接下來.開始看課文句子.【課文語法講解】1、My aunt Jennifer is an actress. 同位語 （回想第4課句子 I have just received a letter from my brother， Tim. ）解釋說明前面的名詞。以-ess結(jié)尾的是女性；以-or、-er結(jié)尾的是男性actor 男演員 ； actress 女演員 : waiter 男服務(wù)員 ； waitress 女服務(wù)員prince 王子 ； princess 公主lion 公獅子 ； lioness 母獅子god 神 ； goddess 女神 (God 上帝,注

7、意 “G” 大寫)2、She must be at least thirty-five years old.回顧情態(tài)動詞用法：是動詞，可以做謂語，不表動作，而表情緒態(tài)度不能單獨(dú)使用，必須+動詞原形 ，構(gòu)成謂語。無人稱變化 ，無單三 形式動詞變化有限，現(xiàn)在時(shí)和過去時(shí)(委婉表達(dá))常見情態(tài)動詞：may-might , can-could, will-would, shall-shouldI couldnt play the guitar years ago,but I can now. （過去） Could you please help me do the housework?(委婉)接著，看課文

8、中must的用法： She must be at least thirty-five years old.1.must 情態(tài)動詞must：一定，表示對現(xiàn)在推測，不是100%事實(shí)，但可能性最高。她一定至少35歲了。區(qū)別: she is thirty-five years old. (她就是35歲)She must be a model.He looks pale,he must be ill. must 還可以表示對過去的推測 must have done （回顧20課用法）It must have rained last night.She must have cried just now.m

9、ust 情態(tài)動詞 表示不可避免的義務(wù) = have to I must do it now. = I have to do it now.She must do it now. = She has to do it now.You must do it tomorrow. = You will have to do it romorrow. They had to do it yesterday.2.at least 至少, 最少 反義詞：at most 最多 3.年齡的兩種表示方法： 數(shù)字+years old，作表語 She is thirty-five years old 她三十五歲 數(shù)字

10、+-year-old，作定語 my four-year-old daughter3、In spite of this, she often appears on the stage as a young girl.in spite of 不管，盡管 (“of” 為介詞, 后面一定會加名詞、代詞或從句)區(qū)別 ： even though /although (盡管，連詞)Although I am tired, I am happy.in spite of this 盡管如此appear.as . 扮演.角色拓展難點(diǎn)：as的用法 作為介詞，可以表示“作為”、“以身份，擔(dān)任工作”等In this f

11、ilm, he appeared as a policeman.He works as an engineer. 他擔(dān)任工程師的工作。 作為連詞，可以表示“因?yàn)椤薄ⅰ罢?dāng)時(shí)候”、“以方式”或“如同那樣”等You must take care of the bady tomorrow as I am going to London.（因?yàn)椋捎冢〢s we were talking about him, he knocked at the door.（當(dāng)時(shí)候）Do as you are told. 叫你怎么做就怎么做(按你被告知的那樣去做)（以方式）As I learned, （如同那樣） Wh

12、at does as mean in these sentences? P78在下列各句子中as 什么意思?1. He works as a pilot.2. You mustnt shout so loudly as youll wake up the baby.3. As we were listening to the radio, someone knocked at the door.4.As I was leaving the house, the postman brought a letter.4、Jennifer will have to take part in a new

13、 play soon.區(qū)別：join/take part in /attendjoin 一般是加入組織，團(tuán)體，黨派join sb./sth.join the army 參軍 join the party 入黨join us (口語)加入我們(這個(gè)團(tuán)體)中來take part in : 參與某一項(xiàng)活動，+活動詞，比較積極地參加I will take part in her birthday party tomorrow.take part in the race 參加比賽attend 出席（正式）attend the meeting 參加會議, 出席會議attend the party 出席宴會

14、attend the class 上課Thank you for your attending. 謝謝大家的出席(到來)5、In the play, she must appear in a bright red dress and long black stockings.in (+顏色、衣服) 穿著樣的衣服，用介詞短語取代動詞，避免了一句話中出現(xiàn)兩個(gè)動詞The boy in green.in a bright red dress 鮮紅色的連衣裙bright,orange-coloured dress 鮮艷的桔黃色衣服 區(qū)別：dress, suit, costumedress n. 裙子，晚

15、禮服，連衣裙(女式)suit n. 套裝（男式）My brother never wears ready-made suits. 我的弟弟從來不穿成衣。costume n. 演出服,民族服裝,某一年代所穿的服裝 All the actors wore fifteenth-century costumes. 所有演員都穿著15世紀(jì)的服裝。7、If anyone ever asks her how old she is, she always answers, Darling, it must be terrible to be grown up!ever = at any time 任何時(shí)候(時(shí)

16、間副詞)it must be 一定(表示推測)grown-up adj. 成年人be grown-up 作為一個(gè)成年人grow up (人)成長當(dāng)有人問你年齡時(shí)，你可以這樣回答：It is a secret. / It is privacy.I forget it. 區(qū)別：grow and grow up grow vi. 生長，成長，發(fā)育 Trees of the kind dont grow in our country. How tall youve got! Youve grown a lot.grow up 長成，成熟（其被動態(tài)表示長大成人）Lucy has grown up a l

17、ot since I last saw her. 選擇正確的詞：P791.Trees takes a long time to _(grow, grow up )2. My father bought a new _(suit, costume)recently.3.She hired (租用）a _(suit, costume)for the fancy-dress party.4. Do you like my sisters new _(dress, costume)? 三維訓(xùn)練（一） 對應(yīng)課本 P 77 My aunt Jennifer is an actress. She must

18、be at least thirty-five years old. In spite of this , she often _(appear) on the stage _（作為）a young girl. Jennifer _(have to ) take part in a new play soon. This time, she _(be ) a girl of seventeen. In the play, she must appear _（穿著） a bright red dress and long black stockings. Last year in another

19、 play, she _ (have to ) wear short socks and a bright ,orange-coloured dress._ (如果）anyone ever asks her how old she is, she always answers, “Darling, it must be terrible to be grown up !”appearswill have towill be havd toasinIf三維訓(xùn)練（二） 再次回顧今天所有知識點(diǎn)My aunt Jennifer is an actress （一個(gè)女演員）. She must be at

20、 least (至少） thirty-five years old. In spite of this （盡管如此） , she often appears on the stage （在舞臺上) as a young girl. Jennifer will have to take part in (參加） a new play soon. This time, she will be a girl of seventeen (一個(gè)17歲的女孩）. In the play, she must appear in a bright red dress and long black stocki

21、ngs. 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(長大）!”【中考探索： 情態(tài)動詞】情態(tài)動詞四注意：情態(tài)動詞有一定的意義無人稱和數(shù)的變化通常不帶to 表示說話人的語氣或情緒初中階段必須掌握的情態(tài)動詞： can could may might wi

22、ll would must have to shall should need had better 考點(diǎn)一：情態(tài)動詞的基本含義 can (could ) 能，會 may (might) 可以，可能 will (would) 將，會，愿意 must 必須 have to 不得不 need 需要 had better 最好 should 應(yīng)該 shall1.can 與couldcould 在疑問句中表示委婉的請求，不是過去式。E.G.: Could I have a cup of tea? 2.must與have to must “必須” 側(cè)重于個(gè)人意志和主觀上的必須做某事，具有強(qiáng)制性的意味。

23、have to “不得不” 強(qiáng)調(diào)客觀上的原因迫使不得不去做某事。E.G.： I know I must study hard. 我知道我必須努力學(xué)習(xí)。 My brother was very ill, so I had to call the doctor in the midnight. 我弟弟病得厲害，我只得半夜里把醫(yī)生請來。否定形式:must 的否定形式為mustnt,表示“一定不要，絕對禁止”E.G.: You mustnt play with fire. 不許玩火。 You mustnt be late. 一定不要遲到。have to 的否定形式為dont have to,表示“不必

24、” You dont have to tell him about it. 你不一定要把此事告訴他。3. will與shall在疑問句中， shall 用于第一人稱，will 用于第二人稱，用來征求對方意見。Shall we go out for a walk?Will you please take out the rubbish?4. had better 最好had better do sth.最好做某事had better not do sth. 最好不要做某事5. need 的用法need 既可做實(shí)義動詞用，又可做情態(tài)動詞用。 肯定句中為實(shí)義動詞，否定句和疑問句中為情態(tài)動詞。 作實(shí)義

25、動詞時(shí)后面的不定式必須帶to.1)實(shí)義動詞：sb. need to do sth 某人需要做某事 You need to do your homework by yourself.2) 情態(tài)動詞：You neednt worry about your Chinese, we can help you. Need we take all our books today?3)need 的被動含義 sth need doing = sth need to be done Our classroom needs cleaning at once. =Our classroom needs to be

26、cleaned at once.考點(diǎn)二：情態(tài)動詞開頭的疑問句的答語句型肯定回答否定回答Can I?Yes, you can.No, you cant.May I ?Yes, you may.No, you mustnt.No, you cant.Could I ?Yes, you can.No, you cant.Must I ?Yes, you must.No, you neednt.No, you dont have to.Need I ?Yes, you must.No, you neednt.cant be / do may, might, could be/do must be/do

27、cant have done 對過去推測：不可能做過may have done對過去推測：可能做過must have done對過去推測： 一定做過impossible 0%improbableunlikely 25%possibly 50%probablylikely 75%Sure. Certain 100%考點(diǎn)三：情態(tài)動詞表示推測1. Mike，you _ play with fire. You _ burn yourself.A. wont cant B. mustnt , may C. dont have to , must D. have got to, shouldnt2. It

28、s getting dark. Im afraid I _ go now.A.can B.may C.have to D.shall (應(yīng)該)3.Can I wear any clothes I like to school?-No,you cant. You_ wear a uniform.A.might B.must C.will D.would中考語法專項(xiàng)練習(xí) 4. You have to _ the teacher carefully. A. listen B. listening C. listen to D. listening to5.Mrs. Green_ go far if

29、she goes shopping.The supermarket is far from her neighborhood.A. has to B. neednt C. doesnt have to D. cant6.She _ clean the classroom today.A. isnt have to B. dont have to C. doesnt have to D. have to7.-May I go out now,Dad?-No,you_let your mother know first.A.can B.may C.need D.must8. Everyone_go

30、 through the security check(安檢)when entering the World Expo Park.A.can B.may C.must D.ought9.-Excuse me,whose Japanese book is this?-It_ be Toms. In our class,only he is studying Japanese.A.must B.cant C.would10.-You_ be happy with the strong public support youve received.-Yes, youre right.Im really

31、 excited.A.may B.can C.must D.need1. She has to walk to school every day.（一般疑問）_ she_ to walk to school every day?2. His sister has to stop writing. (否定句)His sister _ _ _ stop writing.3. We must clean the kitchen.(同義句)We _ _ clean the kitchen.4. Must I finish the work now? （否定回答）No, you _ _ _.5. You must cross the road now. (否定句)You _ _ the road now.中考提高練( )1.-I think Helen is at home. -No, she _ be ,for she phoned me from the airport just five minutes ago. A. mustnt B. neednt C. cant D. ought not( )2.-She looks very happy. She _ have passed