Vowels: Diphthongs

1. Vowels: Diphthongs Unit 7

3. Revision: English Pure Vowels front central back high i: u: I ʊ mid-high з: e ɔ: ə mid-low ʌ ɒ ɑ: æ low Vowel Charts: English Pure Vowels

4. Introduction

5. English Diphthongs Centring diphthongs Closing diphthongs Ending in ə Ending inI ending in ʊ Iə eə ʊə eI aIɔIəʊ aʊ here hare tour they cry toy know now

6. English Diphthongs Closing Diphthongs & Centring Diphthongs

7. ε I ɒ English closing diphthongs with sample words paid, hide, toy, tow, how

8. Centring Diphthongs • 集中/中向双元音： • / iə / • / eə / • / uə / • 总特征：发音时从各自的起点朝着中元音/ə/的方向移动，故称为集中双元音。 • 特别提示：发双元音的要点是要将两个元音都发出来，发音过程中一定要有唇形的变化，否则就会显得发音生涩、僵硬，听起来像两个单元音。

10. / Iə/ 集中双元音 • 发音过程中，双唇稍稍展开； • 牙床从全合到半开； • 发音前长后短，前重后轻； • 发音时声带振动。

11. /i ə/

12. / iə / ea ear ia eer ere iou idea real realize theatre ear dear near clear material industrial beer cheer peer deer pioneer here mere various

13. Pair work a queer idea cheerful tears from ear to ear a real hero fearful sneers near the theatre

14. Sentences • We fear we can’t hear him clearly as he has such a big beard. • He is serious and fierce, but sincere. • My dear brother will come home near the end of the year.

15. Dialogue • A: Where are you, my dear? • B: I’m here, dear. • A: Come near, dear. I can only hear you, but I can’t see you. • B: Well, I’m here, sitting in a chair drinking beer. It’s nice beer, dear. Why don’t you come here and have a glass of beer? • A: Oh, dear. Beer, beer, beer, I hate beer.

16. /eə/ 集中双元音 • 发音时舌端抵下齿，前舌略略抬起，牙床从开三分之二到半开； • 发音前长后短，前重后轻； • 发音时声带振动。

17. /eə/

18. /eə/ ear air are ere a eir ar bear wear pear air hair chair fair repair dare spare share rare square there where nowhere parent various area their heir scarce

19. Pair work a scared hare share the pear a fair in the square a careless mayor repair the stairs a bear on the chair

20. Sentences • He stared at the mayor who was sitting on a mare. • There’s scarcely a chair there that stands wear and tear. • He takes special care of his hair.

21. Dialogue • A: Let’s go there, Cary. • B: No, I don’t want to go there. • A: Why not, Cary? • B: I’m afraid of the bears on the stairs. • A: They’re all plastic bears full of air.

22. /ʊə/ 集中双元音 • 发音时双唇从收圆到半开； • 发音前长后短，前重后轻； • 发音时声带振动。

23. /uə/

24. /ʊə/ oor ua ur ure poor poorly February usual during curious Europe fury pure sure lure cure

25. Pair work a poor doer a pure jewel the furious jury fewer and fewer poorer and poorer the curious tourist

26. Sentences • The doctor from Europe said that the patient would surely be cured. • There is a duel going on between the furious jewelers. • I’m sure that’s pure gold.

27. Dialogue • A: Do you like my jewel? • B: Yes, it’s a nice jewel. • A: Come closer and take another look. • B: Oh my! What a beautiful jewel! Is it another gift from John? • A: Yes. This is the fifth jewel he’s given me. • B: Are you going to ask him for more? • A: Sure. I won’t marry him if he doesn’t give me his biggest jewel.

28. Closing Diphthongs • 合口双元音： • / ei/ / ai/ / ɔi/ • / əu / / au/ • 总特征：发音过程中，口型从开到合，因此被称作合口双元音。 • 特别提示：发音时一定要感受到变化的过程，这是双元音发音的关键。

29. /eI/ 合口双元音 • 先发[ e ]音，然后滑向[I ] 音； • 双唇稍平，口形从半开到合； • 发音前长后短，前重后轻； • 发音时声带振动。

30. /ei/

31. /eI/ a ay ai ei ea ey game cake labour lazy hatred day way may wait rain fail complain sail neighboureight weight break great steak they hey

32. Pair Work • May Day • Labor Day • No pains, no gains. • Great changes have taken place in only one day.

33. Sentences • An ape hates grape cakes. • My dame has a lame tame crane. • The rain in Spain is mainly on the plain.

34. Dialogue • A: Oh, may I stay, Mummy? Please say I can stay all day. • B: Yes, if they say you may. • A: They’ve got lots of places to play, and they’ve… • B: Wait, Jane! • A: I’ll take my painting book, and some of my games. • B: Wait till they say you may.

35. Comparison • say said • pain pen • main men • fail feel • grate greet • cape keep

36. [aI] 合口双元音 • 发音前长后短，前重后轻； • 发音过程中，下颚迅速向上移动，舌尖抵住下齿； • 发音时声带振动。

37. /ai/

38. /aI/ y i igh ie ei uy ye eye ai fly by cry rice time wide private find night right fight high lie tie die either eider height buy guy dye eyed aisle

39. Pair Work • quite right • a nice knife • a kind writer • Time and tide wait for no man.

40. Sentences • Great minds think alike. • Strike while the iron is hot. • A tidy tiger tied a tie tighter to tidy her tiny tail. • My wife gave Mr. Snipe’s wife’s knife a wipe.

41. Dialogue • A: Are you seeing Mike tonight? • B: Yes. He has a new motorcycle. • A: Did Mike let you ride it? • B: Yes. I tried it. And I like it. • A: Weren’t you frightened? • B: Sure. But I still like it.

42. Comparison • life laugh • climb calm • pike park • bike back • fight fat • mine man

43. / ɔI/ 合口双元音 • 唇形由圆唇变为扁唇，口型从开到合； • 发音前长后短，前重后轻； • 发音时声带振动。

44. /ɔi/

45. /ɔI/ oy oi joy soy enjoy coy oyster employ deploy destroy loyal oil noise boil choice coin soil join disappoint

46. Pair Work • toilet paper • joyful boys • make a choice • The boy was annoyed because his toy was destroyed.

47. Dialogue • A: What toy shall I buy for Roy this time? • B: For Roy? You want to buy him another toy? • A: Yes, of course. He enjoys playing with toys. • B: He enjoys destroying toys. • A: My boy will cry if I don’t buy one. • B: Well, you can only spoil the boy.

48. Comparison • oil all • toil tall • coin corn • joy jaws • noise gnows

49. / əʊ/ 合口双元音 • 发音过程中，下颚稍抬高，双唇由扁平收圆，口型从半开到合； • 发音前长后短，前重后轻； • 发音时声带振动。

50. /əʊ/ o ow oa ou oe ew so home those told poem note throw tomorrow show bowl load toast soap boat road soul though shoulder toe hoe sew