1、英语教学课件,七年级上册,Unit 1 Making New Friends,Topic 3How old are you?,Section B,A: Hello, I am Kangkang. Whats your name? B: My name is Lily. A: How old are you? B: I am thirteen. A: What class are you in? B: I am in Class Three, Grade Seven. A: Whos that ? B: Thats Maria.,Lets review.,This is a CD.,This i
2、s a TV.,-Whats this in English? -Its a pencil.,an apple,Whats this in English? Its ,an eraser,a book,a map,a和an的区别:,1. a 用在以辅音音素开头的单词前。 例如：a book， a desk,2. an 用在以元音音素开头的单词前。 例如：an egg， an apple,Do you know?,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 car,a pencil,a pen,a bo
3、ok,a map,an apple,an orange,an egg,an eraser,A: Whats this in English? B: Its a desk. A: How do you spell it? B: D-E-S-K, desk.,Lets say together.,Look, listen and say.,Excuse me, whats this in English?,Its_.,an eraser,map,desk,pen,pencil,eraser,A: Excuse me, whats this in English? B: Its an eraser.
4、 A: How do you spell it? B: E-R-A-S-E-R, eraser. A: Thank you. B: Thats OK.,A: Whats that in English, Jane? B: Its a map. A: Can you spell it, please? B: Yes. M-A-P, map. A: Thanks. B: Youre welcome.,book,How do you spell it?,Whats that in English?,Its_.,B-O-O-K, _.,a book,A: Whats this in English?
5、B: Its A: How do you spell it? B:,a pen.P-E-N, pen.,a pencil-box.P-E-N-C-I-L-B-O-X, pencil-box.,a book.B-O-O-K, book .,an eraser.E-R-A-S-E-R, eraser.,a ruler.R-U-L-E-R, ruler.,Listen and fill.,A: Excuse me , whats _ in English? B: Its _ pencil. A: How do you spell it? B: P-E-N-C-I-L, _. A: Thank you
6、 . B: _ _.,a,pencil,Youre welcome,this,A: Excuse me, whats _ in English? B: Its _ apple. A: _ _ _ _? B: Yes, A-P- P-L-E, apple. A: _. B: Thats OK.,an,Can you spell it,Thanks,that,Whats this/that in English? Its a/an How do you spell it? / Can you spell it? ,Work in pairs.,Make up new conversations w
7、ith the words in the picture and sentences below.,Look, listen, fill and say.,Is that a toy, too?,An eraser? Wow!,No, its an _.,No, it isnt. Its a _.,Is this a _?,telephone,toy,eraser,eraser pencil toy telephone map,That is a toy. Is that a toy?,你发现他们有什么规律了吗？,This is an eraser. Is this an eraser?,be
8、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 you.,A: Is that a pen? B: No, _.It is a pencil.,it is,it isnt,A: Is that a desk? B: Yes, it is.,A: Is this an orange? B: No, it isnt. Its an apple.,A: Is he Tom Cruise? B: A: B: No, he isnt. He is from America.,Yes, he is.,Is he
9、from England?,A: Whats this in English? B: Is it a/an ?,Example: Whats this in English? Is it a/an ? Yes, it is. How do you spell it? / No, it isnt. Please try again.,Guess the objects by touching them.,Lets play a game.,Write the sentences, paying attention to the use of capital letters and punctua
10、tion.,Example: A: whats that in English jane ? B: its a mapWhats that in English, Jane? Its a map.,Whos that?,Thats Nancy.,Is that an eraser?,No, it isnt.,whos that thats nancyis that an eraser no it isnt,Sum up,Useful expressions: Whats this/that in English?Its a/an How do you spell it? / Can you spell it?Is this/that a/an ?Yes, it is. / No, it isnt. 2. New words: 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。,Homework,Thank you!,
