Chapter FourChapter Four 第四章第四章

Time:Two PeriodsTime:Two Periods合口双元音合口双元音

The closing diphthongsThe closing diphthongs : : /ei/ /ai/ /ɔi/ /au/ /әu//ei/ /ai/ /ɔi/ /au/ /әu/

Chapter Four The First Period 第四章 第一学时

合口双元音The Closing Diphthongs:

/ei/ /ai/ / i/ɔ

Warming-up exerciseWarming-up exercise

•/i/: did pig give will

•/e/: bed leg says well •/ɔ:/: jaw tore wore saw•/a:/: car jar hard heart

/ei//ei/

//ei/ ei/ is usually read in the following letteis usually read in the following letters or letter groups : ai ay eirs or letter groups : ai ay ei ey eaey ea

•say day play •grey away may•cake late May

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

/ai//ai/

/ai/ is usually read in the following l/ai/ is usually read in the following letters or letter groups : i, y, ie, ye, igetters or letter groups : i, y, ie, ye, ighh

•eye why high •die sky find •buy time tie

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

/ɔi//ɔi/

/ i/ is usually read in the followiɔ/ i/ is usually read in the followiɔng letters or letter groups : oi, ong letters or letter groups : oi, oyy

•boy toy soy •join coins noise•point annoyed

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

Games and Games and activitiesactivities

DialoguesDialogues• 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.

DialoguesDialogues•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.

DialoguesDialogues• 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.

After-class AssignmentsAfter-class Assignments•1 Review what we have learned to

day.•2 Read aloud words and phrases

which include pronunciations of diphthongs /ei/ /ai/ / i/ in college Eɔnglish book one page 60 to 61