三年级下册PEP英语全册知识点总结

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2020年12月24日 13:08
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2020年12月24日发(作者:段子俊)


三年级英语知识点总结
Unit1
1. A: Nice to see you again. B: Nice to see you, too.
(再次见面)
2. A: Where are you from?(用于询问别人是哪儿的?)
B: I’m from ChinaAmericaCanada.
3. A:Are you from ChinaAmericathe USAthe UKCanada?
B:Yes,I am. No,I’m not. (询问对方是否是哪国人?先做肯定或否
定回答)▲▲(易错题)
4. 有人敲门你说:Come in,please.
让孩子们过来说:Come here,children.
5. 怎么用英语欢迎同学回校:Welcome back to school.
6. We have a new friend.我们有一位新朋友。
John has two new friends.(注意谓语动词has,数量two,可数名词
变复数)
▲▲▲主语表示单数时用has,主语表示复数时用have,如以下常
用搭配:
(1)He has an apple.
(2)She has an apple.
(3)It has a long nose.(hesheit是第三人称单数)
(4)The cat has small ears.(the cat 是单数)
(5)The cats have small ears.(the cats 是复数)
(6)The students have some books.(the students是复数)
(7)I have a book.(I是第一人称,谓语动词用原形)
(8)You have a book,too.(you是第二人称,谓语动词用原形)
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(9)The man has a blue bag.
(10)That woman has a good friend.(that woman 是单数)
(11)Mike has an apple.(Mike是单个人名,作单数)
(12)Miss Li has a red bag.(Miss Li 是称呼,是第三人称单数)
(13)They have two new students.(they他们,是复数)
(14)We have a new teacher.(we意思是我们,是复数,谓语动词
用原形。)
总结:主语是第三人称单 数时,谓语动词要用第三人称形式。have
是动词原形,has就是have的第三人称单数形式。
问:什么是第三人称单数?
①人称代词hesheit是第三人称单数。He is a student.
②单个人名(如MikeAmy等)、地名(如Beijing等)、称呼(如
Uncle WangMiss Li等)作主语,是第三人称单数。
Mike is a student.
Beijing is in China.
Uncle Li is a teacher.
③单数可数名词或“thisthatthe+单数可数名词”作主语时,是
第三人称单数。如:(this manthat womanthis boythat girlthe
manthe studentthe bookthe cat)
This man is my father.
That boy is my friend.
The book is red.
The cat is so fat.
④数字或字母作主语时,看作第三人称单数。
“I”is a letter(字母)。
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⑤不可数名词作主语时为第三人称单数。
The bread is so small.(the bread、the cake 是不可数名词)
7.对新朋友表示欢迎:Welcome!
Unit2
1. A: Who’s this(that) man(boy)?
B: He’s my father(brother).
2. A: Who’s this(that) woman(girl) ?
B: She’s my mother(sister).询问某人是谁?回答的主语要与
上一个问句中主语保持一致。
▲▲A:What’s he?(特殊疑问词是what,询问某个人的职业)(易
错题)B:He is a teacher.
3. A: 当你要鼓励你的朋友一起和你玩时,英语怎么说:
B: Come on!
4. A: Let’s watch TV. B:OK!Great!
Let’s =Let us(let后跟人称代词宾格)
如:Let mehimher clean the desk.(clean①形容词,干净的;②
动词,清洁,在这里就是动词原形)
5. A: Is she your sister ?
B: No, she isn’,she’s my , she is.
6. A:Are you a teacher?B:Yes,I ,I’m a ,I’m not.
7. A: 怎么用英语介绍自己的家庭: B: This is my family.
向爸爸介绍你的朋友:Dad,this is my (good )friend.
8. 初次见面打招呼:Nice to meet you.回答:Nice to meet you,too.
How do you do?回答:How do you do?
9. A: 怎么用英语表达“多大的一条鱼啊!” B: What a big
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fish!
这是一个感叹句!(结构:What+冠词+形容词+可数名 词单数+主语
+谓语!)What引导的感叹句经常把主语和谓语省略。
She is a beautiful girl.——(改成感叹句)What a beautiful girl she is!
——What a beautiful girl!
10. How也可引导感叹句(结构:How+形容词+副词+冠词——可数
名词单数+主语 +谓语!)How引导的感叹句常只How+形容词副词,
其余省略。
She is a beautiful girl.——(改成感叹句)How beautiful a girl she is!
——How beautiful!真漂亮啊!
Unit3
1. A:Look at the elephant.B:Wow,it’s so big!It has big ears , big body
and a long nose.
2. I have a monkey. ——er.
3. How many animals do you know?I know all the animals.
4. Amy has a has long ears.
Unit4
1. Mum,where is my car?It’s +介词短语(on your deskin the toy
boxunder the chair.)询问别人某物在哪里回答It’s…
2. 询问别人某物在哪里?对方可能不清楚,会以疑问语气回答。如:
Where is my pen?——Is it in your desk?
3. Excuse me, I use your pencil?打扰了,Amy.我能用一
下你的铅笔吗?
No,problem.没问题。
Look out!=Watch out!小心!
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4. Let’s play a game.让我们玩游戏吧。——OK.
Let’s play hide and seek.让我们玩捉迷藏吧。——OKGreat!
5. Are you ready?Yes!你准备好了吗?好的!
6. Where are you?I can’t find you.你在哪里?我找不到你。
I’m behind you.(behind在…后面,介词)
(can情态动词,其后动词要用动词的原 形;否定在can后加
not=can’t;疑问句直接把can提前;情态动词不能单独使用)
类似的情态动词:
mustwillshallmay+动词原形(没有人称变化)
不同情态动词表达的不同程度的猜测:
①must:肯定,一定,必须怎么样,没有过去时态。加not,变成
must not=mustn’t,表示禁止。
如:We must finish(完成)our homework this afternoon.今天
下午我们必须完成家庭作业。 We mustn’t come here.
②can能,会,可以,表示能力,允许有过去时could 是它的过去时
态。否定在后加not
③will表示愿意;表示将来;过去式would
I will play football this afternoon。(这个时间还没发生)
④may表示可以,可能;过去式might
7. Happy Children’s Day!Thank you!儿童节快乐!谢谢!
Happy Women’s Day!
Unit 5
1. Do you like pears?
Yes,I ,I don’t.(询问别人喜欢某种东西吗?)
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Does Mike like bananas?
Yes,he ,he doesn’t.
●Like的用法:
(1)作动词:like+名词代词 喜欢某人或某物如:I like apples。
(2)作动词:like+to do(动词原形)某一次喜欢做某事
如:I like to fish(动词:钓鱼)swimrunsing this afternoon.
(3)作动词:I like+doing(动名词形式)长期喜欢、爱好做某事
如:I like ngrunningsinging.
(4)would like to do =want to do 想做某事
(5)Would you like +名词to do sth?你想要什么吗?
(6)作介词:be likelook like +名词代词作宾语:像…,跟…
一样。如:The little girl looks like her father.
●助动词do和does的用法:
Do的否定形式:do not(缩写don’t)
Does的否定形式:does not(缩写doesn’t)
主谓宾句式的否定与疑问要借助助动词来完成。
Iyouwetheythe students +don’t like apples.
Iyouwetheythe students like apples.(主语是第一、二人称
或第二、三人称复数,谓语动词用 原形时,句子的否定在谓语动词
前直接加don’t)
HeSheIt The studentThis boy The cat likes apples.
HeSheIt The studentThis boy The cat doesn’t like apples. < br>(主语是单数,谓语动词是第三人称单数形式,句子否定要把在谓
语动词前加doesn’t,并 把动词变成动词原形)
2. Let’s buy some pears.
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3. Sorry,I don’t like bananas.
4. A:Can I have an apple,please?
B: you are.
5. I’m hungry.I’m full.我饿了。我饱了。
6. It’s cheap.(cheap形容词:便宜的)
7. Draw a it pink.画一个桃子,把它涂成粉色。
8. A:Have some more.B:No,thank you.
9. A:Have some juice,please. B:,thank you.
10. A:I don’t like apples. B:Me,neither.我也不喜欢。(想
表达和对方一样否定的想 法,也不…要用Me,neither.)
11. A:I like apples. B:Me too.我也是。(想表达和对方一样
肯定的想法,用Me too.)
12. I’d like some apples.(I’d like=I would like)
I want some apples.
Unit6
1. How many kites can you see?——I can see +数量。直接回
答数量
(动词答语要与问句中一致)
2. How many crayons do yo have?——I have +数量。
▲▲How many +可数名词的复数形式
▲▲How much+不可数名词单数形式
3. That’s right! 答对了!
4. Let’s have a race.让我们来比赛吧!
5. It tastes good.它尝起来很好吃。(taste尝起来,后跟形容词)
6. The black one is a bird.
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7. Look at my new crayons.
8. 用英语说集合:Line up!
9. I have some chocolates.我有些巧克力。
10. 想知道有些什么在盒子里:What’s in the box?
11. 你想知道盒子装些什么,可以请对方打开看一下:Open it and
see!打开它看看。(and表示目的)
12. Good idea!好主意!
8

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