《Thirteen Fourteen Fifteen》PPT课件3

基数词口诀：

1-10要牢记，one?two?three?four?five?six?seven?eight?nine?ten?

11要有3个e，(eleven)

12俩e夹lv,(twelve)

13ir换ree,(thirteen)

15f替ve,(fifteen)

18去掉一个t,(eighteen)

4'6'7'9都不变，(fourteen;sixteen;seventeen;nineteen)

teen结尾要使劲。

20-90变化有规律，ty结尾莫忘记，

20twen+ty,(twenty)

40four少个u,(forty)

若要说到几十几，ty连线1-9,(sixty-five)

最后要把发音记，前重后轻莫忘记。

... ... ...

Sentence 

询问物品数量的句型:

How many +可数名词复数 ？

---数词+可数名词复数

1 How many rulers ?

Twenty rulers .

2 How many books?

Fifteen books .

3 How many pencils ?

Sixteen pencils .

... ... ...

New words

afraid 担心的

I‘m afraid I can’t se  all the peaches .

我担心我不能看见所有的桃子。

feel  感觉

I feel tired now .

现在我感觉累了。

... ... ...

Phrases

1.look at  看……

2.on these trees 在这些树上

3.go home 回家 

4.all right  行。

Questions 

1.What are Amy and Sam couting ?

2.How many peaches are there on the trees ?

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