(共42张PPT)
Unit 11
语音练习
根据过去式词尾的发音/t/，/d/，/ d/将下列词进行分类。
visited played finished climbed tasted studied milked needed cooked showed stopped wanted learned helped painted used brushed skated
Listen and read.
/t/
cooked stopped
finished helped
milked brushed
/d/
showed played
learned climbed
used studied
/ d/
visited wanted
needed painted
tasted skated
What did you find
动词加-ed的发音规则：
1. 清辅音后发/ t /
例如：cooked, stopped, finished等。
2. 浊辅音及元音后发/ d /
例如：showed, played, learned等。
3. 辅音/t/，/ d /后发/ d /
例如：visited, wanted, needed等。
听录音，模仿朗读。
/t/
cooked stopped
finished helped
milked brushed
/d/
showed played
learned climbed
used studied
/ d/
visited wanted
needed painted
tasted skated
你还能想到哪些学过的单词吗？
分组讨论， 看谁想的又多又快！
你喜欢绕口令吗？
你会读英语绕口令吗？
下面大家一起来试一试吧！
/d/ (spelling ed)
traveled
/t/ (spelling ed)
talked
/tr/ (spelling tr)
travelled, train, trip
1) On our trip we traveled on the train and talked to the train driver.
2) I photographed the farm animals and followed the farmer.
/t/ (spelling ed)
photographed
/d/ (spelling ed) followed
/f/ (spelling f, ph)
photographed, farm, followed, farmer
缩略形式的发音
你知道isn’t和aren’t的音标吗？它们的音节数各是多少？
isn’t 的音标是/ ' znt/, aren’t 的音标是/ ɑ:nt/；
可以看出， isn’t由两个音节， aren’t只有一个音节。
一个音节或两个音节？下列词有几个音节？
wasn’t weren’t hasn’t haven’t don’t didn’t can’t couldn’t
one syllable aren’t weren’t don’t can’t
two syllables isn’t wasn’t didn’t couldn’t haven’t hasn’t
What did you find
缩略形式发音规则：
is, was, did, could, have, has的尾辅音和n’t共同构成一个新的音节。
one syllable aren’t weren’t don’t can’t
two syllables isn’t wasn’t didn’t couldn’t haven’t hasn’t
音的同化
Would you like something to drink
Did you do anything interesting last weekend
Why can’t you come to the party
1) A: Would you like something to drink
B: Yes. I’d like a glass of orange juice, please.
Listen and read. Notice the change of sounds.
2) A: What did you do last weekend
B: I went to the National History Museum and worked as a guide there.
3) A: Did you do anything interesting last weekend
B: Not really, but I visited my sister.
4) A: Why can’t you come to the party
B: I have to look after my sick mother.
音的同化：
音的同化是用英语连贯说话时产生的一种自然变化。
1) A: Would you like something to drink
B: Yes. I’d like a glass of orange juice, please.
听录音，模仿朗读。
2) A: What did you do last weekend
B: I went to the National History Museum and worked as a guide there.
3) A: Did you do anything interesting last weekend
B: Not really, but I visited my sister.
4) A: Why can’t you come to the party
B: I have to look after my sick mother.
Did you visit the zoo
Yes, I visited the zoo.
Say, tell me with who
Well, I visited the zoo with my class!
Did you learn a lot
Yes, I learned a lot.
Say, tell me what
Well, I learned a lot about farm animals!
Did you milk a cow
Yes, I milked a cow.
Say, tell me how
Well, I milked the cow like this!
/t/ (spelling ed) milked
/d/ (spelling ed) learned
/ d/ (spelling ed) visited
Can you find the important pronunciation in this part
What do you want to tell me
Can you chant more
The animals climbed in one by one, hurrah, hurrah!
The animals climbed in one by one, hurrah, hurrah!
The animals climbed in one by one. The monkey played and had good fun.
They all went to the zoo.
The animals hopped in two by two, hurrah, hurrah!
The animals hopped in two by two, hurrah, hurrah!
The animals hopped in two by two. They bounced so high those kangaroos.
They all went to the zoo.
The animals flew in three by three, hurrah, hurrah!
The animals flew in three by three, hurrah, hurrah!
The animals flew in three by three. They zipped and zoomed those humble bees.
They all went to the zoo.
The animals crawled in four by four, hurrah, hurrah!
The animals crawled in four by four, hurrah, hurrah!
The animals crawled in four by four. The snakes wiggled across the floor.
They all went to the zoo.
The animals swam in five by five, hurrah, hurrah!
The animals swam in fiver by five, hurrah, hurrah!
The animals swam in five by five. The sharks and dolphins dipped and dived.
They all went to the zoo.
Can you find the important pronunciation in this part
/t/ (spelling ed)
hopped, bounced, zipped, dipped
/d/ (spelling ed)
climbed, played, zoomed, crawled, wiggled, dived
Do you like to go to the zoo
What did you find
Can you chant like this
