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人教版三年级英语下册语法知识点

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上学期间,大家最熟悉的就是知识点吧?知识点就是学习的重点。哪些知识点能够真正帮助到我们呢?以下是小编为大家收集的人教版三年级英语下册语法知识点,仅供参考,欢迎大家阅读。

人教版三年级英语下册语法知识点

人教版三年级英语下册语法知识点1

一、句型复习

一般疑问句:

Is this/that/it a ...?回答:Yes,it is. No,it isn’t.

Is he / she...?回答:Yes, he /she is. No, he/she isn’t.

Are you...?回答:Yes, I am. No, I am not.

Are these/they ...?回答:Yes,they are. No,they aren’t.

Do you...?回答:Yes, I do. No, I don’t.

Is there...?回答:Yes,there is. No, there isn’t.

Are there...?回答:Yes,there are. No, there aren’t.

特殊疑问句:

Who’s he/she ?回答:He’s/She’s ?

Who are they?回答:They are...

Where is..?回答:It’s in/on...(介词短语)

Where are??回答:They are in/on...(介词短语) Where are you from?回答:I am from... / We are from...

Where is he / she/ it from?回答:He /She / It is from ? Where are they from?回答:They are from....

What’s in / on / near/ under / beside the ??回答:There is /are ...

How many...?回答:There is one./There are two.(2个或2个以上的数字)

What is it/this/that? (单数)回答:It’s a... .

What are they/these/those? (复数)回答:They’re ...

日常用语:

(介词短语)...回答:OK/All right.

Draw...回答: OK/All right.

Thank you!回答: You’re welcome.

Here’s ...回答:Thank you!

二、名词单数变复数,一般都把s加。

特殊变化有以下:

单数复数一个样,sheep--sheep fish- fish goldfish - goldfish Chinese-Chinese Japanese -Japanese

2.遇到oo变ee : foot-feet goose- geese tooth - teeth

3.有些变化就是大:mouse – mice child - children man-men woman-women

4 .以s, x, sh, ch结尾,+es (bus-buses, box-boxes, brush-brushes,

watch-watches)

5、以0结尾(有生命的o)+es (tomato-tomatoes)(番茄)例外:kangaroo- kangaroos

6、以辅音字母+y结尾,改y为i+es ( lady-ladies, baby-babies study-studies)

7.以f或fe结尾,改f或fe为v+es (knife- knives shelf-shelves)

三、have与has的区别:

have, has都是“有”,

它们的用法有讲究,表示“某人有某物”,have, has请记住。 he, she, it “有”用has,I, we , they , you都用have。主人单数用has ,主人复数用have。

have就是能力强,疑问( ?)否定(don’t / do not)都用它。

四、have,has与there is , there are的区别

表示某人或某动物有:has / have (I have a dog. The dog has a short tail.)表示某地方有:there is / are (There is a book in the bag. )

五、Some与any的区别:

some用于肯定句中,any用于否定句和疑问句中。

如:I have some books. I don’t have any books. Do you have any books ?

六.a与an的区别

一般来讲,元音字母(即a, e , i, o , u )开头的单词用an

如:an apple an ear an American girl an Australian stamp an old man

七. There be句型(即there is / there are )

意思:表示某地方有某人或某物原则:就近原则(There be句型中的be动词用is还是用are由最靠近它的第一个名词是单数还是复数决定。)

如:There is a book and some pens on the desk. There are some pens and a book on the desk.

八.不可数名词:

juice chalk tissue (不可数名词没有复数形式)

There is some chalk. There is some juice. There is some tissue.

九.’s所有格:

表示:某人或某动物的

the girl’s name那个女孩的名字the teacher’s desk讲台

the headmaster’s office校长的办公室the children’s toys儿孩子们的玩具

the teachers’ room教师办公室(当名词的复数形式是以“s”结尾时,直接加’)

十. be动词:

is are am (表示“是” )

I用am,you用are,is连着he,she,it 。单数名词用is,复数名词全用are 。如:I am …. You are… . We are… . They are…. . He is….. She is….. It is…. The girl is …. The boys are…. Ben is…. Janet and Ben are…

人教版三年级英语下册语法知识点2

Unit1 Welcome back to school

【词汇】

UK英国Canada加拿大USA美国China 中国 she她student学生pupil小学生he他teacher教师boy男孩and和;与girl女孩new新的friend朋友today今天

【句型】

1. Welcome!欢迎! Welcome back!欢迎回来!

2. Nice to see you again.再见到你很高兴。

Nice to see you ,too.见到你也很高兴。

3. Where are you from?你来自哪里?

I'm from the UK/USA.我来自英国/美国。

I'm from China/Canada.我来自中国/加拿大

4. We have two new friends today.今天我们有两位新朋友。

5. This is is a student.这是埃米,她是个学生。

6. This is MR Jones. He is a teacher.这是琼斯先生,他是一位教师。

Unit2 My family

【词汇】

father父亲;爸爸dad (口语)爸爸;爹爹man男人woman女人mother母亲;妈妈sister姐;妹brother兄;弟grandmother(外)祖母grandma (口语)(外)祖母grandfather(外)祖父grandpa(口语)(外)祖父family家;家庭

【句型】

1. Who’s that man? He is my father.那个男人是谁?他是我爸爸。

2. Who’s that woman? She is my mother.那个女人是谁?她是我妈妈。

3. Who’s that boy? He is my brother.那个男孩是谁?他是我哥哥。

4. Is she your mother? Yes,she is.她是你妈妈吗?是的,她是。

5. Is he your father? No,he isn’t.他是你爸爸吗?不,他不是。

6. He is my teacher.他是我的老师。

7. This my family.这是我的家庭。

Unit3 At the zoo

【词汇】

thin瘦的fat胖的;肥的tall高的short短的;矮的

long长的big大的small小的ffe长颈鹿

so这么;那么children(child的复数)儿童tail尾巴

【句型】

1. Look at that giraffe.看那只长颈鹿。

2. It’s so tall.它好高啊。

3. It’s short and fat.它又矮又胖。

4. Come here,children.到这里来。孩子们。

5. It has a long nose.它有个长鼻子。

6. It has small eyes and big ears.它有小眼睛和大耳朵。

Unit4 Where is my car?

【词汇】

on在……上in在……里under在……下面chair椅子desk书桌cap帽子ball球car小汽车boat小船map地图toy玩具box盒;箱

【句型】

1. Let’s go home! OK!我们回家吧!好的!

2. Where is my pencil box?我的铅笔盒呢?

3. Look!It’s in your desk.看!它在你的书桌里。

4. And your pencil! It’s under your book!你的铅笔,它在你的书下面。

5. Silly me!我真傻!

6. Where is my map?我的地图在哪儿?

7. Is it in your bag? No,it isn’t.它在你的包里吗?不,它不在。

8. Is it in your toy box? Yes,it is.它在你的玩具箱里吗?是的,它在。

9. Have a good time!玩得开心点儿!

Unit5 Do you like pears?

【词汇】

pear梨apple苹果orange橙子banana香蕉watermelon西瓜strawberry草莓grape葡萄buy买fruit水果

【句型】

1. Honey, let’s buy some fruit.

宝贝儿,我们买点水果吧。

2. Do you like oranges? Yes,I do/ No, I don’t.

你喜欢橙子吗?是的,我喜欢/不,我不喜欢.

3. Do you like pears? No,I don’t. I like apples.

你喜欢梨吗?不,我不喜欢梨,我喜欢苹果。

4. Have some grapes. Sorry,I don’t like grape.

吃些葡萄吧。抱歉,我不喜欢葡萄。

5. I don’t like watermelons. Me,neither.

我不喜欢西瓜。我也不喜欢。

Unit6 How many?

【词汇】

eleven十一twelve十二thirteen十三fourteen十四fifteen十五

sixteen十六seventeen十七eighteen十八nineteen十九twenty二十

kite风筝beautiful美丽的

【句型】

1. How many kites do you see? I see 12.你看到几只风筝。我看到十二只。

2. Wow, so beautiful!哇,真美丽啊。

3. The black one is a bird.黑色的那个是只鸟。

4. How many crayons do you have?你有多少支蜡笔?

5. Open it and see.打开看看!

6. You have 16 crayons.你有十六支蜡笔。