试听90秒Lesson 4-双辅音

双辅音-Consonant Digraphs

两个辅音字母在一起只读一个音，这样的辅音字母组合叫做双辅音。常见的双辅音有sh、ch、th、wh、ph、ck等。

From the first picture, you can see a big ship. In the word 'ship', s says /s/, h says /h/, but when we put sh together, sh says /ʃ/, sh-i-p, ship.

ship

In the second picture, you can see many sheep. In the word 'sheep', sh says /ʃ/, double e says /i:/, p says /p/, sh-ee-p, sheep.

sheep

Next, let's start to learn the sound of ch, c says /k/, h says /h/, but when we put c and h together, ch says /tʃ/, as in the word 'chalk'. ch says /tʃ/, al says /ɔː/, k says /k/, ch-al-k, chalk. We usually use chalk to write on the blackboard.

chalk

In the following picture, you can see three peaches. Which animal likes eating peach? Monkeys like eating peach. In the word 'peach', p says /p/, ea says /i:/, ch says /tʃ/, p-ea-ch, peach.

peach

Th says /θ/, as in the word thanks. In the word 'thanks', th says /θ/, short a says /æ/, nk says /ŋk/, s says /s/. Th-a-nk-s, thanks.

thanks

Next word is math, math is a very important subject. In the word math, m says /m/, short a says /æ/, m-a-th, math.

math

Th says /ð/, look at the picture, the woman is very happy, she has just got a baby, she became a mother. In the word mother. M says /m/, o says /ʌ/, th says /ð/, er says /ə/, m-o-th-er, mother.

mother

In the next picture, the fatehr loves his kid very much. In the word 'father', f says /f/, a says /a:/, th says /ð/, er says /ə/. f-a-th-er, father.

father

注意：当th读/ð/这个音时，后面通常跟着字母/e/，比如说：then, them, there等；而当th读/θ/这个音的时候，它的后面跟着其它的4个元音字母a、i、o、u. 比如说：thank, think, thought, thumb.

Now, let's learn the sound of wh, wh says /w/, as in the word 'whale', wh says /w/, a_e says /ei/, l says /l/. wh-a_e-l, whale. Whale is the biggest animal in the see.

whale

The next word is not whale, it is wheel. In the word 'wheel', wh says /w/, double e says /i:/, l says /l/, wheel. A bus has four wheels.

wheel

注意：wh还可以读作/h/, 当它读/h/这个音的时候呢，它的后面通常跟着字母o，比如说：who, whom, whose, whole.

Ph says /f/, as in the word 'elephant'. Look at this heavy elephant, it has a long nose and four strong legs.

elephant

The next word is phone, in the word 'phone', ph says /f/, o_e says /əu/, n says /n/, ph-o_e-n, phone. Nowadays we all use smart phones.

phone

Ck says /k/, as in the word 'duck', d says /d/, short u says /ʌ/, ck says /k/, d-u-ck, duck. The duck is swimming in the water.

duck

In the last picture, you can see a clock, clock tells us time. In the word 'clock', cl says /kl/, short o says /ɔ/, ck says /k/, cl-o-ck, clock.

clock

总结：sh says /ʃ/; ch says /tʃ/; th has two sounds, one is /θ/, the other one is /ð/; wh says /w/; ph says /f/; ck says /k/.