语法就是语言的规律。任何一种语言都有其内在逻辑性(logic)和规律(discipline)。学习一些基本的英语语法，对于快速掌握英语语言的规律，具有事半功倍的作用，尤其是对于一些为考试而编的语法题句的理解，很有作用。接下来是小编为大家整理的小学三年级英语语法知识点总结，希望大家喜欢!
小学三年级英语语法知识点总结一
What's your name?的用法：
当两人初次见面互相询问姓名时，可用What's your name?来提问，回答时，可用My name is ….来回答,接着反问对方时，可用And what's your name?来提问。例如：
Hi!What's your name?
Hi!My name is Lucy.And what's your name?
My name is Wang Ying.
你好，你叫什么名字?
你好，我叫露西。你叫什么名字?
我叫王英。
句中的What's是What is的缩写形式。
小学三年级英语语法知识点总结二
一般疑问句及特殊疑问句
句子基本是：简单陈述句，由简单陈述句转变成肯定句，否定句，疑问句。疑问句是用来提出问题。英语中有四种疑问句: 一般疑问句、特殊疑问句、选择疑问句和反意疑问句。我们现在已经接触到了前两种疑问句。后两种疑问句以后我们还会学到.
一般疑问句：
英语中要用 yes和no 来回答的疑问句叫一般疑问句。如:
1)Is it hot ? Yes, it is .\No, it isn't. -- be动词引导
2)Is it a car ? Yes, it is .\No, it isn't . -- be动词引导
3)Is this your ruler ? Yes, it is .\No, it isn't . -- be动词引导
4)Do you like bananas ? -- 含实义动词
Yes, I like bananas. \ No, I don't like bananas.
5)Can Ming hear a drill ? --含情态动词
Yes , Ming can hear a drill.\No,Ming can't hear a drill.
陈述句(肯定句，否定句，一般疑问句)的转变规律：
1.肯定句： 2.否定句： 3. 一般疑问句及肯否定回答
1) 主语+be动词+…. 1) 主语+be动词+not+…. 1)be动词+主语+…?
Yes, 主语+be动词./
No, 主语+be动词+not.
I am a teacher. I am not a teacher. Are you a teacher?
--Yes, I am./ No, I am not.
My mother is thin. My mother is not /isn't thin. Is your mother thin?
--Yes, she is./ No, she isn't.
They are insects. They are not/aren't insects. Are they insects?
--Yes. they are./ No, they aren't.
2) 主语+情态动词can+… 2) 主语+情态动词can+ not+…. 2)情态动词can+主语+…?
Yes, 主语+情态动词can/
No,主语+情态动词can+ not
He can jump. He can not/can't jump. Can he jump?
--Yes,he can./ No, he can't.
3) 主语+动词+…. 3) 主语+助动词do/does+not 3) 助动词do/does+主语
+…. 动词原形 +….动词原形?
Yes, 主语+助动词do/does.
No, 主语+助动词do/does+not.
He likes to eat apples. He doesn't like to eat apples. Does he like to eat apples?
Yes，he does./ No，he doesn't.
We like to eat apples. We don't like to eat apples. Do you like to eat apples?
Yes，we do. /No，we don't.
二. 祈使句：表示请求、命令、建议或劝告等的句子叫祈使句，主语you常省略。
1、肯定形式：一般以动词原形开头。 Open the door, please.
2、否定形式：在句首谓语动词前加Don't。 Don't be late for class.
三 特殊疑问句(又叫wh-question)
用特殊疑问词来提出问题的疑问句叫作特殊疑问句。特殊疑问词一般要放在句首。常用的疑问词有what who ，which how 等这些词都以wh 开头(包括how)所以也叫作wh-question。特殊疑问句要求回答具体内容。不能用yes或no回答。结构：疑问词+一般疑问句。回答不能用yes / no(或相当于yes / no)回答的问句。答句的句式同肯定句句式：如：
What can you see ? I can see a cat.
What can you hear ? I can hear a bus.
What can you do ? I can sing and dance.
What is it ? It's a panda.
What do you like ? I like playing football
How old are you ? I'm ten.
小学三年级英语语法知识点总结三
1. be 动词(am, is, are)的用法：
我用am,你(们)用are;is紧跟她他它;单数is, 复数are.
2. thank 谢谢 thank you =thanks 谢谢你!
3、对应词、反义词 X|k | B | 1 . c|O |m
sister(对应词)——brother grandpa(对应词)——grandma
father(对应词)—— mother I(对应词)——you
she (对应词)——he my(对应词)—— your
black(黑色的) ——white(白色的) yes(是的)—— no(不是)
right(对的，正确的) ——wrong(错的，错误的)
this(这个)——that(那个)
4、同音词
too (也)——to \two I(我)—— eye(眼睛) write(写)—— right(对的)
C ——see(看见) U ——you(你)
5、词形变换：
friend(复数)—— friends are(单数)—— is\am
I(物主代词)—— my I(宾格)——me
see you(同义词)——goodbye