三年级第一学期语法及句型归类
语法：
1．a  an  the 的用法区别：
  元音字母a e i o u开头的单词前用 an; (  an apple )
辅音字母开头的单词前用 ?a ; ( a pen )
世界上独一无二的事物前用the  (the sun ).
2．be 动词：is  am  are 的用法区别：
      我(I)用am , 你（you）用are,  is 用于它、它、它（it），
单数用is ,复数用are ,be 动词分为is  am  are.
3．改否定句的方法：
先找be动词is, am are, 在be 动词后面加not (或者用缩写形式)。
例如： This is a car. 改成：This is not a car .
                   或改成：This isn’t a car .
4、．改一般疑问句的方法：
先找be动词is, am are,,把be动词提前到句子开头，变换大小写，句末加？
       例如： That is an apple .改成：Is that an apple ?
5、名词单数变复数的方法：
（1）直接+s :  pen-pens   ball-balls
（2）、以s, x, ch, sh结尾的，加es.    bus-buses    box-boxes
（3）、把oo改为ee.：  tooth-teeth  foot-feet  
（4）、特殊变化：   child-children 
句型归类：
一般疑问句的回答：一般疑问句没有疑问词，回答时要答Yes\No .
问句	肯定回答	否定回答		Is it a plane ?
Is this a car?
Is that a circle ?	
  Yes , it is .	
  No, it isn’t .		Are they motorbikes ?
Are these triangles ?
Are your rulers yellow ?	
Yes, they are . 	 
No,they aren’t .		
特殊疑问句有疑问词，回答时不能用Yes或No。
               单数	                复数		What’s this in English ?
What’s that over there?   It’s a pen.
What is it?	What are these?
They’re cars
What are they？		What colour is the sun?   It’s red .	What colour are the chairs?   They’re blue.		What shape is this?      It’s a circle .	What shapes are these?    They’re circles.		Where’ s the pencil ?     It’s on the desk.	Where are the pencils ?    They’re on the desk.		How many apples are there? There is one .	How many squares are there?   There are five .		
 3. 日常对话:
               问侯语	答语		Good morning, Jiamin .	Good morning, Yongxian.		Good afternoon , Janet .	Good afternoon, Sally .		Good evening, Ben.	Good evening , Mike.		Goodbye, Miss White.	Goodbye, Mr Chen .		Hello!/ Hi	Hello!/ Hi		What’s your name?	My name is Mike. 或I’m  Mike.		This is Ben.	Hello, Ben .		Nice to meet you.	Nice to meet you too.		How are you?	Fine, thank you.   或I am OK, thanks.		How do you do ?	How do you do ?		Wash your face.	OK. /All right.		Clean your teeth.	OK./All right.		Brush your hair.	OK./All right.		Raise your arms.	OK./All right.		Pack your bag.	OK./All right.		Open your book.	OK./All right.		Let’s colour it yellow.	OK./All right.		Please lend me your ruler.	OK. Here you are ./All right. Here you are.		Here you are .	Thank you .		Here’s my rubber.	Thank you.		Thank you .	That’s OK. 或 That’s all right . 		     

三年级第一学期语法及句型归类.doc