人教版四年级英语《小学英语音标》PPT课件 (2).pptx
A,B,C,D,E,F,情景导入,1,单词学习,2,开口说说,3,扩展训练,4,主目录,情景导入,第一节,person teaches the version on the fourth grade fisherman story courseware person teaches the version on the fourth grade fisherman story courseware person teaches the version on the fourth grade fisherman story courseware,几种常见的音位变体:,1.齿音闪音：better,city,writing（浊辅音；非词首、非重读音节t的发音；多见于北美与澳洲英语） 2.喉塞音：curtain,botton（清辅音；非词首、非重读音节/t/与/n/构成成音节时，字母t的发音；多见北美英语、Eastury英语和Cockney英语）,()uh-()oh 3.如果清爆破音位于s后面，且处于词首或者是非重读音节的话，通常不送气（类似于汉语拼音的b，d，g）。,对立辅音（22个） 注：下面音标的每一对当中，左边是清辅音，右边是浊辅音。,双唇塞音/p/：pit-/b/：bit 齿龈塞音/t/：tin-/d/：din 软腭塞音/k/：cut-/：gut 齿龈塞擦音/ts/：its-/dz/：goods 塞擦音 /tr/ tree-/dr/ drink齿龈塞擦音/t/：cheap-/d/：jeep 唇齿擦音/f/：fat-/v/：vat齿间擦音/：thin-/ð/：then 齿龈擦音/s/：son-/z/：zip齿龈后擦音/：sugar-/：seizure 软腭无擦通音/w/：whine-/w/：we,近音（4个）,声门擦音/h/：ham（清辅音） 齿龈无擦通音/r/：run（浊辅音） 齿龈边音/l/：left（浊辅音） 软腭化齿龈边音/：cancel（浊辅音）,成音节辅音,成音节辅音共有/、/n/、/m/三个。它们也可以与前面的辅音拼在一起，形成音节。可在成音节辅音下方加上一点（.），写成/l/、/n/、/m/。,例如： /l/：bottle /n/：button /m/：rhythm,单词学习,第二节,person teaches the version on the fourth grade fisherman story courseware person teaches the version on the fourth grade fisherman story courseware person teaches the version on the fourth grade fisherman story courseware,半元音（3个）,软腭无擦通音/：whine（也写成/hw/，仅用于美语）-/w/：we 硬腭无擦通音/j/：yes（浊辅音）,S : good afternoon . What can I do for you ? T : I would like to buy some bananas and oranges . S : sorry , there are not any bananas . But we have oranges .,1、含义：表示说话时正在发生的动作或现阶段正在进行的行为。 2、标志词：now，look，listen 3、构成：be + doing （ am / is / are +doing ） He is reading a book .,1、写出下列动词的ing形式 Help _ Come _ Swim _ Eat _ Give _ find _ Sit _ write _,开口说说,第三节,person teaches the version on the fourth grade fisherman story courseware person teaches the version on the fourth grade fisherman story courseware person teaches the version on the fourth grade fisherman story courseware,7. How old the man is ! _ _ old man _ _ !8. What nice books they are ! _ _ the books _ ! 9. How amazing the building is ! _ _ amazing building _ _ !,Are they _( read ）a book ? No , they _ . What are they doing ? they are _ (write),四、句型转换 1、 I am watering the flowers . （否定句） _ 2、 she is jumping now . （一般疑问句） _ 3、 he is doing his homework . （复数句） _,鼻音（3个）,双唇鼻音/m/：map 齿龈鼻音/n/：nap 软颚鼻音/：hang,1. The girl is very pretty .,How pretty the girl is ! What a pretty girl she is !,2. This is an old watch .,How old this watch is ! What an old watch it(this) is !,扩展训练,第四节,person teaches the version on the fourth grade fisherman story courseware person teaches the version on the fourth grade fisherman story courseware person teaches the version on the fourth grade fisherman story courseware,5、Lucy 和 Mary 正在打排球。 ,3、以“辅音字母+ y”结尾的双音节词，先改 y 为 i，再加-er： Easy easier happy happier,1 . A is 10 years old , B is 11 years old . A is _ than B . 2 . Tom is 160 cm , lucy is 170 cm . - Luvy is _ than tom .,问身高： how tall are you ? 问体重： how heavy are you ? 问大小： how big are your hands ?,A,B,C,D,E,F,感谢您的下载!,T,THANKS!,
