信息技术条件下的英语教师语音改善与提高-孟江涛

1、 信息技术条件下 英语教师的语音改善与提高河南农大附小 孟江涛Tacit knowledgeSense of language 语感木桶定律与语感的培养木桶定律一只沿口不齐的木桶，盛水的多少，不在于木桶最长的那块木板，而在于最短的那块木板。根据这个核心内容,木桶定律还有三个推论。三个推论一、只有所有木板都足够高，木桶 才能装满水。二、所有木板比最低木板高出的部分都是没有意义的，高的越多，浪费越多。三、要想增加木桶的容量，应该设法加高最低木板的高度。推论一:只有所有木板都有足够高，木桶才能装满水。SocialisingPsyBarrier Personality mentor skillmoti

2、vationattitudeattitudemedia推论二 和三二、所有木板比最低木板高出的部分都是没有意义的，高的越多，浪费越多。三、要想增加木桶的容量，应该设法加高最低木板的高度。语感语法 单词 句子关于单词prairoidektmi parathyroidectomy 国际音标分析一 音形意的困惑 汉语是象形文字，表意不表音；需要借助 汉语拼音读音。河南省希望能动英语推广中心皕奭bishb英语是拼音文字，表音不表意（由音达意）；国际音标不仅多余而且阻碍我们直接认读单词。天文学刀刃astronomybladefmili bleid 英 语音：形：义： Str

3、nmifamily家河南省希望能动英语推广中心析二 字母文字的特点yingyu bailandijiu maozienglish brandy captianwenxue zixingcheastronomy bike字母文字的根本特性表音河南省希望能动英语推广中心语汉语和英语习得的比较英语象形文字字母文字隐含表音系统音形脱节借助拼音系统音形一致国际音标独立表音系统音形脱节英语国家英语基础教育的现状Whole language30% -40% 阅读障碍中国Phonics国际音标自然拼音法30% -40% 阅读障碍退出中小学课本等于Ph

4、onics英语国家英语表音密码研究的现状只可意会不可言传中国待开发的领域为什么要学表音密码？英语是字母文字；字母文字是表音文字；50万英文单词隐含一套表音系统；表音的准确率是97.4%;任何一篇文章都可证明此一数字。美国总统的感慨！ 我们国家一个最令人沮丧的事情之一就是有相当一部分四年级的学生不能达到他们本年级的阅读能力。我们可以想象一个四年级不能阅读的孩子，到了中学同样不能阅读。如果一个在中学还不能阅读的孩子，高中毕业以后很可能不会阅读足够的东西，所以也很难上大学 非常遗憾在美国会是这样一种情况。 摘自布什2002年访问中国时在清华大学的演讲报告英语国家英语基础教育的希望所在见词就会读会读就

5、会写中国见词就会读会读就会写会写就会说会说就容易听懂英语表音密码表音密码Orthographic Cipher表音密码的主要内容英文单词中的不间断音 80%代表44个基本音的字母和字母组合 10%英文单词中的词缀- 10%学会英语26个字母第一步a b c d e f gh i j k l m n o p q r s t u v w x y zLetter Names第二步学会26个字母的字母声Letter Soundsa b c d e f gh i j k l m n o p q r s t u v w x y z 字母组成单词、读音c a t 26个辅音+ 18个元音 44个基本音英语的

6、44个基本音b p m fd t n lg k h j Consonant Soundsa iVowel Sounds单词的构成+a=t+caccat一个元音和它前面紧挨着的一个辅音所组成的音节叫做不间断音！第三步：二十六个辅音汉语拼音b+e=bek+e=ked+e=def+e=feg+e=ge英文辅音bcdfg汉语拼音h+e=hezh+e=zhel+e=lem+e=men+e=ne英文辅音hjlmn汉语拼音p+e=pek+uo=kuor+uo=ruos+e=set+e=te英文辅音pqurst汉语拼音*v+e=vew+e=weke+se=ksey+e=yez+e=ze英文辅音vwxyz汉语拼

7、音ch+e=chesh+e=shech+uo=chuozh+uo=zhuo*s+e=sez+e=ze英文辅音chshtrdrth or th*发此音时，上齿咬著下嘴唇*发此两个音时，把舌尖伸出上下齿间 b c d f g h j l m n p qu r s t v w x y z ch sh tr dr th二十六个辅音的字母和字母组合 h j l m n whdge,g(i,e,y) kn, gn b c d f g k, ck, ch ph gu, gh p qu r s t wr c (i,e,y) v w x y z wh s ch sh tr dr th or th tch ti,

8、 si, ci 第四步：十八个元音汉语拼音无相同音无相同 音i无相同 音A英文短元音aeio*u汉语拼音eiiaiouiu英文长元音a_e*eei_eo_eu_e汉语拼音a无相同 音eaou英文普通元音arorurowoo汉语拼音无相同音无相同 音无相同音无相同音英文双元音aireeroiour*此音要发的比汉语拼音中的“a”要短而窄。*此音要发的比汉语拼音中的“i”要长而窄。十八个元音 a e i o u a_e ea i_e o u ar or ear ow oo air ear oi 十八个元音arorurowooaw, au, a lir, er, ear,(w)or ou ui, e

9、w ,uea _eeei_eo_eu_eai, ay, ey, eigh, eaea, ie，eiy, igh, ie o, oa, ow, oe ue, ui, ew aeioueayao, ou, oo airearoiear,are,eir,ere eer,ereoy 关键：英语单词的构成元音是单音节英语单词中的王，因为它们决定着一个单词最终的发音.在单音节英语单词中，级别最高的辅音是元音前面紧挨着它的那个辅音.一个元音和它前面紧挨着它的那个辅音共同组成一个不间断音. 不同的不间断音和其他辅音或词缀组成多音节单词 ba pa ma fada ta na laga ca ha ja a的部

10、分不间断音bad pad mad faddad tad nad ladgad cad had jad 读出下列单词bat pat mat fatdat tat nat latgat cat hat jat 读出下列单词单音节单词dadjabnabtab blabclab glad slabflagcrabscabstabbi pi mi fi di ti ni ligi ci hi ji “i” 的部分不间断音bid pid mid fid did tid nid lidgid cid hid jid 请读出下列单词单音节单词big bit brickpig fish fixdig sit m

11、issslim lip kiss表音密码 一个元音和它前面紧挨着的一个辅音所组成的音节叫做不间断音认读双音节词panichabitrapidrabbitplasticcamicfaliglavish切分单词panichabitrapidrabbitrapidcamicfaliglavish表音密码 一个元音和它前面紧挨着的一个辅音所组成的音节叫做不间断音 认读多音节单词 family cavity clarity verisimilitude认读单词 fa-mi-ly ca-vi-ty c-la-ri-ty ve-ri-si-mi-li-tude要 点 一般来讲，由“ic”结尾的多音节词的重音

12、几乎全部落在倒数第二个音节上。由“ic”结尾的多音节词(1)specificgeologicacrobaticalcoholicacademiceconomicepidemicoptimisticpessimistic demonicinfrasonicharmonicnationalisticdemocraticidealistic在由“-tion”结尾的单词中，重音一般落在“-tion”前面紧挨着的不间断音上，而且元音字母发其字名音，如：“education”。 但是如果“-tion”和前面紧挨着的不间断音被一个辅音字母隔开，前面这个不间断音的元音字母发其短元音的音, 如：“transac

13、tion”。要 点真词认读 desolationpunctuation generationdestinationpopulation transportationdemonstrationobligation justificationdecorationplantation legislationinvestigationdominationoccupationeducationdesolapunctuageneradestinapopula transportademonstraobligajustificadecorationtiontiontiontiontiontiontionti

14、ontionplanta legislainvestigadominaoccupaeducanomina liberaelevaestimationtiontiontiontiontiontiontiontiontionsporogenoussphygmomanometerferromolybdenumparathyroidectomyopisthognathoushermaphroditegraminivorousmesogastrium英汉对应sporogenous sphygmomanometerferromolybdenumparathyroidectomyopisthognathou

15、shermaphroditegraminivorousmesogastrium产孢子的血压计钼钢甲状旁腺切除术后颚的雌雄同体食草的脐部MethionylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylglutaminylleucyllysylglutamylarginyllysylglutamylglycylalanylphenylalanylvalylprolyphenylalanYlvalythreonylleucylglycylaspartylprolylglycylisoleucylglutamylglutami

16、nylsErylleucyllysylisoleucylaspartylthreonylleucylIsoleucylglutamylalanylglycylalanylasparthlalanylleucylglutamy 世界上最长的英语单词lleucylglycylisoleucylprolylphenylalanylseRylaspartylprolylleucylalanylaspartylglycylpRolylthreOnylisoleucylglutaminylasPfraginylalanylthreonylleucylarfinylalanylphenylalanylala

17、nylalanylglycylvalythreonylprolylalanylglutaminylcysteinylphenylalanylglutamylmethionylleucylalanylleuOylisoleucylarginylglutaminyllysyhistidylprolylthreonylisoleucylpr olylisoleucylglycylleucylmethionyltyrosylalanylasparaginylleucylvalylphenylalanylasparaginyllysyglycylisoleucylaspartylglutamylphen

18、ylalanylthrosylalanylglutaminylcysteinylglutamyllysylvalylglycylvalylaspartylserylvalylleucylvalylalnylaspartylvalylprolylvalylglUtaminylglutamylserylalanylprolylphenylalanylarginylglutaminylalanylalanylleucylarginy lhistidylasparaginyvalylalanylprolylisoleucylprolylisoleucylphenylalanylisoleucylphe

19、nylalanylisoleucylcysteinylprolylprolylaspartylalanylaspartylaspartylaspartylleucylleucylarginylglutaminylisoleucylalanylseryltyrosylglycylarginylglycyltyrosylthreonyltyrOsylleucylleucylserylarginylalanylglycylvalylthreonylglycylalanylglutamYlasparainylarginylalanylalanylleucylprolylleucylasparaginy

20、lhistidylleucylValylalanyllysylleucyllysylglutamyltyrosylasparaginylalanylalanylprolylprolylleucylglutaminylglgycylphenylalanylglycylisoleucylserylalanylprolylaspartylglutaminylvalyllysylalanylalanylisoleucylaspartylalanylglycylalanylalanylglycylalanylisoleucylserylglycylserylalanylisoleucylvalyllys

21、ylisoIeucylisoleucylglutamylglutaminylHistidylasparaginyliSoleucylglutamylprolylglutamyllysylmethionylleucylalanylalanylleucyllysylvalylphenylalanylcalylglutaminylprolylmethionlysylalanylalanylthreonylarginylserine 共计1913个字母，色氨酸合成酶A蛋白质（一种含有267种氨基酸酶的全称）honorificabilitudinitatibusho-norifi-cabili-tudi

22、ni-tatibus辅音和元音的排列组合元音：a e i o u a_e ea i_e o_e u_e ar or ur ow oo air ear oi our辅音：b c d f g h j l m n p qu r s t v w x y z ch sh tr dr th or th英语中所有的不间断音1.ba ca da fa ga ha ja la ma na pa qua ra sa ta va wa xa ya za cha sha tra dra tha3.be ce de fe ge he je le me ne pe que re se te ve we xe ye ze

23、che she tre dre the4.bo co do fo go ho jo lo mo no po quo ro so to vo wo xo yo zo cho sho tro dro tho2.bi ci di fi gi hi ji li mi ni pi qui ri si ti vi wi xi yi zi chi shi tri dri thi7. bin cin din fin gin hin jin lin min nin pin quin rin sin tin vin win xin yin zin chin shin trin drin thin8. ben ce

24、n den fen gen hen jen len men nen pen quen ren sen ten ven wen xen yen zen chen shen tren dren then5. bu cu du fu gu hu ju lu mu nu pu quu ru su tu vu wu xu yu zu chu shu tru dru thu6. ban can dan fan gan han jan lan man nan pan quan ran san tan van wan xan yan zan chan shan tran dran than10. bun cu

25、n dun fun gun hun jun lun mun nun pun quun run sun tun vun wun xun yun zun chun shun trun drun thun11. ba_e ca_e da_e fa_e ga_e ha_e ja_e la_e ma_e na_e pa_e qua_e ra_e sa_e ta_e va_e wa_e xa_e ya_e za_e cha_e sha_e tra_e dra_e tha_e12. bea cea dea fea gea hea jea lea mea nea pea quea rea sea tea ve

26、a wea xea yea zea chea shea trea drea thea9. bon con don fon gon hon jon lon mon non pon quon ron son ton von won xon yon zon chon shon tron dron thon16. bar car dar far gar har jar lar mar nar par quar rar sar tar var war xar yar zar char shar trar drar thar15. bu_e cu_e du_e fu_e gu_e hu_e ju_e lu

27、_e mu_e nu_e pu_e quu_e ru_e su_e tu_e vu_e wu_e xu_e yu_e zu_e chu_e shu_e tru_e dru_e thu_e13. bi_e ci_e di_e fi_e gi_e hi_e ji_e li_e mi_e ni_e pi_e qui_e ri_e si_e ti_e vi_e wi_e xi_e yi_e zi_e chi_e shi_e tri_e dri_e thi_e14. bo_e co_e do_e fo_e go_e ho_e jo_e lo_e mo_e no_e po_e quo_e ro_e so_

28、e to_e vo_e wo_e xo_e yo_e zo_e cho_e sho_e tro_e dro_e tho_e17. bor cor dor for gor hor jor lor mor nor por quor ror sor tor vor wor xor yor zor chor shor tror dror thor18. bur cur dur fur gur hur jur lur mur nur pur quur rur sur tur vur wur xur yur zur chur shur trur drur thur19. bow cow dow fow g

29、ow how jow low mow now pow quow row sow tow vow wow xow yow zow chow show trow drow thow20. boo coo doo foo goo hoo joo loo moo noo poo quoo roo soo too voo woo xoo yoo zoo choo shoo troo droo thoo21. bair cair dair fair gair hair jair lair mair nair pair quair rair sair tair vair wair xair yair zai

30、r chair shair trair drair thair22. bear cear dear fear gear hear jear lear mear near pear quear rear sear tear vear wear xear year zear chear shear trear drear thear23. boi coi doi foi goi hoi joi loi moi noi poi quoi roi soi toi voi woi xoi yoi zoi choi shoi troi droi thoi24. bour cour dour four go

31、ur hour jour lour mour nour pour quour rour sour tour vour wour xour your zour chour shour trour drour thour单词重读规则1. 三个音节以下单词的重音在第一个不间断音上；2. 三个音节以上单词的重音在倒数第三个不间断音上；3. 以-ic 或者-tion结尾的单词重音在倒数第二个不间断音上；4. 以-oo,-oon,-ee,-eer或者-que结尾的单词重音在倒数第一个不间断音上。关于句子句子的节奏I swim.I am swimming.I am going to swim.绕口令Ther

32、e are thirty-three thousand three hundred and thirty-three feathers on that thrushs throat.How much wood would a woodchuck chuck if a woodchuck could chuck wood? 假如一只美洲旱獭能扔木头，它能扔掉多少木头呢？ Peter Piper picked a peck of pickled pepper. Did Peter Piper pick a peck of pickled pepper? If Peter Piper picked

33、a peck of pickled pepper, Wheres the peck of pickled pepper Peter Piper picked?吹笛人彼得挑选了一大堆腌胡椒。 吹笛人彼得挑选了一大堆腌胡椒吗？ 如果吹笛人彼得挑选了一大堆腌胡椒, 那么吹笛人彼得挑选的腌胡椒在哪里哪？ Life is a chess-board The chess-board is the world:the pieces are the phenomena of the universe; the rules of the game are what we call the laws of nat

34、ure. The player on the other side is hidden from us. We know that his play is always fair, just and patient. But also we know, to our cost, that he never overlooks a mistake, or makes the smallest allowance for ignorance.多背小短文 Be Thoughtful Being thoughtful simply means thinking of others before you

35、rself. What you say or do will have an effect on others. So it is important that you think before you say or do anything. In this way, you can avoid hurting others feelings. Moreover, a thoughtless act or remark can spoil a perfect relationship. Bangee Jumping Bangee jumping looks like fun. It makes

36、 me nervous just to watch someone do it. It certainly takes a lot of guts to jump one thousand feet above the water with only a rope tied to your legs. It scares me just to think about it. However, it is something I really want to do one day. Some people think Im crazy. They say to jump is foolish e

37、nough, but to have to pay for it is madness. I dont agree. For me, to live a short and exiting life is far better than to live a long and boring one. What do you think?Rome wasnt built in a day. English is an international language. Therefore， it is necessary for us to learn it.It can be rewarding o

38、r just a waste of time. Its up to you.It depends on how you study it. Here are some tips about learning English. First， dont be afraid to make mistakes. You will learn from them. Second，you must not be shy. Be thick-skinned and speak up！ Finally， you must be patient. Remember， “Rome wasnt built in a

39、 day.”宏观框架（Matrix）第一天Unit One be 动词第一课指示代词 “it”+“be”动词八个形容词Step 1形容词well-designed 设计美观的fashionable 时尚的newly-made 新做的hand-made 手工的out-of-date 过时的appealing 吸引人的big 大的attractive 有魅力的八个名词Step 2名词chair 椅子bench 长椅子stool 凳子cupboard 碗橱fan 电风扇lamp 灯sofa 沙发refrigerator 冰箱名词和形容词的组合Step 3名词和形容词的组合well-designedf

40、ashionable newly-madehand-madeout-of-dateappealingbigattractivechairbenchstoolcupboardfanlampsofarefrigerator四个基本句型Step 4(1) 陈述句Ita good student.is(2) 疑问句Isa good student?it(3) 否定句Ita good student.isnt(4) 否定疑问句Isnta good student?it“it”的四种句子变化形态It is a good student.Is it a good student?It isnt a good

41、 student.Isnt it a good student?“it” 引导的（Matrix）Step 5八句话到512句话的裂变It is a/anIs it a /anYes, it is a /anNo, it isnt a /anIsnt it a /anOf course it isnt a /anDo you think it is a /anI am positive it is a /anchairbenchstoolcupboardfanlampsofarefrigeratorwell-designedfashionable newly-madehand-madeout-o

42、f-dateappealingbigattractive“it” 引导的Matrix DialogueStep 6八句话到64个对话的裂变A: You see, it is a /anB: Is it a /anA: Yes, it is a /anB: No, it isnt a /anA: Isnt it a /an B: Of course it isnt a /an Do you think it is a/anA: I am positive it is a/anwell-designedfashionablenewly-madehand-madeout-of-dateappeali

43、ngbigattractive chairbenchstoolcupboardfanlampsofarefrigerator英文小九九Step 7小九九A: It is a good student.B: Is it a good student?A: Yes,it is a good student.B: No,it isnt a good student.A: Isnt it a good student?B: Of course it isnt a good student. Do you think it is a good student?A: I am positive it is

44、 a good student.B: OK,if you are positive it is a good student, then perhaps it is really a good student.第二课指示代词 “this/that”+“be” 动词形容词juicy 多汁的nutritious 营养的expensive 昂贵的ripe 成熟的sweet 甘甜的appealing 诱人的tasty 好吃的rotten 腐烂的名词apple 苹果pear 梨apricot 杏peach 桃orange 橘子banana 香蕉pineapple 菠萝plum 李子名词和形容词的组合St

45、ep 3名词和形容词的组合juicynutritiousexpensiveripesweetappealingtastyrottenapplepearapricotpeachorangebananapineappleplum四个基本句型Step 4(1) 陈述句This a sweet apple.is(2) 疑问句Isa sweet apple ?this(3) 否定句This a sweet apple.isnt(4) 否定疑问句Isnta sweet apple ?this “this”的四种句子变化形态This is a sweet apple.Is this a sweet appl

46、e?This isnt a sweet apple.Isnt this a sweet apple?八句话到512句话的裂变This is a /anIs this a /anYes, this is a /anNo, this isnt a /anIsnt this a/anOf course this isnt a/ anDo you think this is a /anI am positive this is a/anapplepearapricotpeachorangebananapineappleplumjuicynutritiousexpensiveripesweetappea

47、lingtastyrotten八句话到64个对话的裂变A: You see, this is a /anB: Is this a /anA: Yes, this is a /anB: No, this isnt a /anA: Isnt this a /anB: Of course this isnt a /an Do you think this is a /anA: I am positive this is a /anjuicynutritiousexpensiveripesweetappealingtastyrotten applepearapricotpeachorangebanan

48、apineappleplum英文小九九Step 7小九九A: This is a good student.B: Is this a good student?A: Yes, this is a good student.B: No, this isnt a good student.A: Isnt this a good student?B: Of course this isnt a good student. Do you think this is a good student?A: I am positive this is a good student.B: OK,if you a

49、re positive this is a good student, then perhaps this is really a good student.第二天Unit One be 动词第三课指示代词 “these/those”+“be” 动词形容词blue 蓝色的 brown 棕色的western 西方的Chinese 中国的Japanese 日本的broken 坏掉的medium-sized 中号的traditional 传统的名词bowl 碗bottle 瓶子cup 杯子teapot 茶壶knife 小刀fork 叉子spoon 勺子tray 托盘名词的复数bowl bowls b

50、ottle bottlescup cups teapot teapotsknife knivesfork forks spoon spoonstray trays名词和形容词的组合Step 3名词和形容词的组合bluebrownwesternChineseJapanesebrokenmedium-sizedtraditionalbowlsbottlescupsteapotsknivesforksspoonstrays四个基本句型Step 4(1) 陈述句These blue cups.are(2) 疑问句Are blue cups?these(3) 否定句These blue cups.are

51、nt(4) 否定疑问句Arentblue cups?these 四种句子变化形态These are blue cups.Are these blue cups?These arent blue cups.Arent these blue cups?八句话到512句话的裂变These areAre these Yes, these areNo, these areArent these Of course these arentDo you think these areI am positive these arebowlsbottlescupsteapotsknivesforksspoons

52、traysbluebrownwesternChineseJapanesebrokenmedium-sizedtraditional八句话到64个对话的裂变A: You see, these areB: Are theseA: Yes, these areB: No, these arentA: Arent these B: Of course these arent Do you think these areA: I am positive these arebluebrownwesternChineseJapanesebrokenmedium-sizedbrokentraysbowlsbo

53、ttlescupsteapotsknivesforksspoons英文小九九Step 7小九九A: These are good students.B: Are these good students?A: Yes, these are good students.B: No, these arent good students.A: Arent these good students?B: Of course these arent good students. Do you think these are good students?A: I am positive these are g

54、ood students.B: OK,if you are positive these are good students, then perhaps these really are good students.第四课引导词 “there” +“be” 动词形容词blue 蓝色的brown 棕色的pink 粉色的white 白色的green 绿色的violet 紫罗兰色的yellow 黄色的grey 灰色的名词bus 公共汽车truck 卡车lorry 卡车（英）tractor 拖拉机jeep 吉普车bicycle 自行车motorcycle 摩托车ambulance 救护车名词和形容词的

55、组合Step 3名词和形容词的组合bluebrownpinkwhitegreenvioletyellowgraybustrucklorrytractorjeepbicyclemotorcycleambulance四个基本句型Step 4(1) 陈述句There a blue bus over there.is (2) 疑问句Isa blue bus over there?there(3) 否定句There a blue bus over there.isnt(4) 否定疑问句Isnta blue bus over there?there 四种句子变化形态There is a blue bus

56、over there.Is there a blue bus over there?There isnt a blue bus over there.Isnt there a blue bus over there?八句话到512句话的裂变There is aIs there a Yes, there is aNo, there isnt aIsnt there a Of course there isnt aDo you think there is aI am positive there is abustrucklorrytractorjeepbicyclemotorcycleambul

57、ancebluebrownpinkwhitegreenvioletyellowgray八句话到64个对话的裂变A: You see, there is aB: Is there aA: Yes, there is aB: No, there isnt a A: Isnt there aB: Of course there isnt a Do you think there is aA: I am positive there is abluebrownpinkwhitegreenvioletyellow gray buslorrytrucktractorjeepbicyclemotorcycl

58、eambulance英文小九九Step 7小九九A: There is a good student.B: Is there a good student?A: Yes, there is a good student.B: No, there isnt a good student.A: Isnt there a good student?B: Of course there isnt a good student. Do you think there is a good student?A: I am positive there is a good student.B: OK,if y

59、ou are positive there is a good student, then perhaps there is really a good student.第三天Unit One be 动词第五课人称代词 “I ”+“be” 动词形容词new 新的 famous 出名的sensible 明智的 rational 理性的talented 有才能的well-known 闻名的experienced 有经验的considerable 考虑周到的名词actor 男演员singer 歌手dancer 舞者actress 女演员pianist 钢琴家painter 画家 director 导

60、演musician 音乐家名词和形容词的组合Step 3名词和形容词的组合new famoussensible rationaltalentedwell-knownexperiencedconsiderableactorsingerdanceractresspianistpainterdirectormusician四个基本句型Step 4(1) 陈述句I a talented actor.am(2) 疑问句Ama talented actor?I(3) 否定句I a talented actor.am not(4) 否定疑问句Arenta talented actor?I四种句子变化形态I