苏教版四年级下英语精选各单元知识点

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②在某年,如:in 2016 在2016年;

③在某月,如:in September 在九月;

④在某个季节,如:in winter在冬季

⑤在早晨,中午,晚上, 如in the morning, in the afternoon, in the evening. 3. have和has的用法

(1) have, has意为“有”,强调所属关系

第一、二人称和复数用have (I, You, We, They, The boys)

第三人称单数用has (He, She, It, Mike, my father)

例如:I have a football match. She has a swimming lesson.

(2) 陈述句:以句号结尾,句中没有not。

例如:I have Chinese. He has English.

否定句:以句号结尾,句中有not或no。

例如:I don't have Chinese. He doesn't have English.

一般疑问句:以问号结尾,do或does在句首。

例如:Do you have Chinese? Does he have English?

肯定回答:Yes,I do. Yes, he does.

否定回答:No, I don't. No, he doesn't.

特殊疑问句:以问号结尾,句首为疑问词。

例如:What lessons do you have? What lessons does he have? 回答:I have Chinese. He has English.

(3)句型转换

肯定句变否定句:

肯定句:I have some lessons on Saturday.

否定句:I don't have any lessons on Saturday.

肯定句:She has some lessons on Saturday.

否定句:She doesn't have any lessons on Saturday.

肯定句变一般疑问句:

肯定句:I have some lessons on Saturday.

一般疑问句:Do you have some lessons on Saturday?

肯定句:She has some lessons on Saturday.

一般疑问句:Does she have any lessons on Saturday?

肯定句变特殊疑问句:

肯定句:I have some lessons on Saturday.

特殊疑问句:What lessons do you have on Saturday?

肯定句:She has some lessons on Saturday.

特殊疑问句:What lessons does she have on Saturday?

2

Unit 3 My day

1. 表示时间的方式

(1)整点:“点数+ o'clock”,可以和o'clock一起用得最大数字是12. 例如:1:00 one o'clock, 12:00twelve o'clock

(2)用“小时+分钟”:

例如:6:10 six ten 10:32 ten thirty-two

7:58 seven fifty-eight 9:20 nine twenty

(3)表示时间在半小时内,用“分钟+past+小时”

例如:4:20 twenty past four

12: 25 twenty five past twelve

(4)表示时间恰好为半小时,用“half+past+小时”

例如:4:30 half past four, thirty past four

(5)表示时间在半小时外,用“(相差的)分钟+to+(下一)小时”

例如:5:50 ten to six 9:49 eleven to ten

询问几点钟的方式有两种What time is it?= What's the time? (6)表示“零几分”:可以说零用字母O表示,如:4:08 four o eight

2. at表示“在某一时刻,某一时点”

①在几点钟介词用at ,如在5:00 at five o'clock或at five

在7:35 at seven thirty-five

②at noon在中午;at night在夜间;at Christmas在圣诞节期间;

like意为“喜欢”3.(1)直接加名词复数例如:I like pandas.

(2) 喜欢做(某事)like doing (sth.)

例如:I like watching TV.我喜欢看电视。

She likes reading.她喜欢阅读。

4. watch常见的词义有两种:

一是“手表”,I have a new watch. 我有块新手表。

二是“观看”,如我们文中的watch TV就是看电视,还可以用在watch a football match 观看一场足球赛等词句中。

5、表示时间的句式

(1) I get up at six.我六点起床。(英语句子中,时间表达放在句末。)

(2)I go to bed at nine on Friday. 我星期五九点睡觉。(一句话中如果有两个时间,小时间放在大时间之前。)

3

Unit 4 Drawing in the park

1、“看”的表达方式

(1) see 看见,看到,强调看的结果

Can you see a cake over there? 你能看见那里的蛋糕吗?

(2) look 通常用来引起对方的注意,强调看的动作。

Look! That's my father!看!那是我父亲。

(3) 如果表示看人或物时,则用look at

Look at the boy.瞧那男孩。

Look at the blackboard, please.请看黑板。

(4) watch强调专注地看,意思是观看、注视,通常用来指看电

视球赛或戏剧等移动着的画面或物体。

I usually watch TV at seven.我通常七点看电视。

Let's go and watch the football match after school.

放学后我们去看足球赛吧。

2、in the river在河里(水里)指鱼、人等在河里

eg. I can swim in the river.我会在河里游泳。

on the river在河面上,在河上,指船只、鸭子等在水面上eg. I can see a boat on the river.我看到一只在河上的船。

3、in the tree指鸟、猴子、猫、人等在树上on the tree指水果、树叶等长在树上

4、情态动词can (1)、情态动词,表示“能够、可能”,后面必须加动词原型eg:I can swim very well.

(2)、I/ You/ He/ She/ It / We/ You/ They

所有人称都用can,不分单复数

(3)、陈述句:以句号结尾,句中没有not。

例如:I can see a tree.

否定句:以句号结尾,句中有not或no。

例如:I can not see a tree. I cannot see a tree.

一般疑问句:以问号结尾,can在句首。

例如:Can you see a tree.?

肯定回答:Yes,I can. 否定回答:No, I can't.

特殊疑问句:以问号结尾,句首为疑问词。

例如:What can you see? 回答:I can see a tree.

4

Unit5 Seasons

1. 如何表达天气:

(1)表示气温不同,用:It's cold / cool / warm / hot.

天气寒冷/ 凉爽/ 暖和/ 炎热。

(2)表示天气好,可以说:It's a fine / nice / lovely / beautiful day.

(3)表示各类天气,用:

It's sunny / cloudy / windy / rainy / snowy / foggy today. 今天晴朗/ 多云;阴/ 有风/ 有雨/ 有雪/ 有雾。

2. 区分whose和who's

whose:“谁的”,是疑问词,用来询问某人的东西。

如:Whose bag is this?

who's:是who is的缩写形式,用来询问某人是谁,表示“谁是; 是谁”。

如:Who's he?

3.go+ (动名+ing)

动词+ing的变化规则

(1) 一般情况下,直接加ing,如:draw-drawing,climb-climbing (2) 以不发音的e结尾,去e加ing,如:skate- skating

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