英语七年级上册Topic 3 How old are you?集体备课ppt课件

这是一份英语七年级上册Topic 3 How old are you?集体备课ppt课件，共27页。PPT课件主要包含了an apple，an eraser，a book ，a map，a和an的区别，你知道吗，a pencil，a pen，a book，an orange等内容，欢迎下载使用。
A: Hell, I am Kangkang. What’s yur name?B: My name is Lily.A: Hw ld are yu?B: I am thirteen.A: What class are yu in?B: I am in Class Three, Grade Seven.A: Wh’s that ?B: That’s Maria.
Let’s review.
This is a CD.
This is a TV.
What’s this in English? It’s a pencil.
What’s this in English?It’s …
1. a 用在以辅音音素开头的单词前。 例如：a bk， a desk
2. an 用在以元音音素开头的单词前。 例如：an egg， an apple
a/an被称作不定冠词，用在单数可数名词前，表达某一个人或事物中的一个，相当于汉语的“一”， 但不强调数目概念。a/an用法的区别：
A: What’s this in English?B: It’s an eraser.A: Hw d yu spell it?B: E-R-A-S-E-R, eraser.
Let’s say tgether.
Lk, listen and say.
Excuse me, what’s this in English?
It’s an eraser.
A: What’s this in English?B: It’s a pen.A: Hw d yu spell it?B: P-E-N, pen.A: Thank yu.B: That’s OK.
A: What’s that in English?B: It’s a ty.A: Can yu spell it, please?B: Yes. T-O-Y, ty.A: Thanks.B: Yu’re welcme.
Hw d yu spell it?
What’s that in English?
It’s ________.
B-O-O-K, _______.
A: What’s this in English?B: It’s A: Hw d yu spell it?B:
a pen.P-E-N, pen.
a pencil-bx.P-E-N-C-I-L-B-O-X, pencil-bx.
a bk.B-O-O-K, bk .
an eraser.E-R-A-S-E-R, eraser.
a ruler.R-U-L-E-R, ruler.
Listen and cmplete the cnversatins.
A: Excuse me , what’s ____ in English?B: It’s _____ pencil.A: Hw d yu spell it?B: P-E-N-C-I-L, ______.A: Thank yu.B: ______ ________.
Yu’re welcme
A: Excuse me, what’s ____ in English?B: It’s _____ apple.A: ___ ____ ____ ____, please?B: Yes, A-P- P-L-E, apple.A: _______.B: That’s OK.
Can yu spell it
What’s this/that in English?It’s a/an …Hw d yu spell it? / Can yu spell it?…
Listen and cmplete the cnversatin with the crrect wrds. Then practice with yur partner.
Is that a ty, t?
An eraser? Ww!
N, it’s an _______.
N, it isn’t. It’s a ____.
Is this a _________?
That is a ty. Is that a ty?
你发现他们有什么规律了吗？
This is an eraser. Is this an eraser?
be动词的位置发生了变化。句型也由陈述句变成了一般疑问句。
A: Is this an eraser?B: Yes, _____.A: Thank yu.
A: Is that a pen?B: N, _______. It is a pencil.
A: Is that a desk?B: Yes, it is.
A: Is this an range?B: N, it isn’t. It’s an apple.
A: Is he Tm Cruise?B:A:B: N, he isn’t. He is frm America.
Yes, he is.
Is he frm England?
A: What’s this in English?B: Is it a/an …?
Example:What’s this in English?Is it a/an …?Yes, it is. Hw d yu spell it? / N, it isn’t. Please try again.
Tuch and guess what it is with eyes cvered. Use sentences f identifying bjects.
Let’s play a game.
Patterns : What’s this/that in English? It’s a/an … Hw d yu spell it? / Can yu spell it? Is this/that a/an …? Yes, it is. / N, it isn’t.2. New wrds: a/an, spell, can, please
（1）总结：在学过的名词中，哪些前面加a， 哪些前面加an。（2）参考1a/2a，自编两则对话。