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人教版小升初英语基数词序数词讲解+练习

来源:网络收集 时间:2026-09-11
导读: 龙文教育一对一个性化学案 第一部分 复习时态综合并完成下面练习 A.单项选择题. 1. She ______ down and soon falls asleep. A. live B. lain C. laid D. lies 2. They _____ the office in time very morning. A. reach to B. arrived C. went D. get to 3.

龙文教育一对一个性化学案

第一部分 复习时态综合并完成下面练习

A.单项选择题. 1. She ______ down and soon falls asleep.

A. live B. lain C. laid D. lies

2. They _____ the office in time very morning.

A. reach to B. arrived C. went D. get to

3. We shall go to Shanghai on business before you _____ back next week.

A. will come B. came C. would come D. come

4. The plane ______ off.

A.takes B. took C. was taken D. is take

5. I see her ____ the room this morning.

A. to enter B. entered C. enter D. enters

6. The teacher asks us ______ to school on time.

A. to come B. coming C. come D. comes

7. There _____ an English film.

A. will have B. is going to have C. is going to be D. Is

8. The picture _______ nice.

A. looks B. is looked C. look D. is looking

B.根据提示填单词.

1.Mr Zheng (read) a book now.

2. The rabbits (jump) now.

3.. Look ! Tom and John (swim).

4. My brother (make) a kite in his room now.

5. Look! The bus (stop).

6.He _________ (live) in Wuxi two years ago.

7. The cat ________ (eat) a bird last night.

8. We _______ (have) a party last Halloween.

9. Nancy ________ (pick) up oranges on the farm last week.

10. I ________ (make) a model ship with Mike yesterday.

11.Today is a sunny day. We ___________________ (have) a picnic this afternoon.

12.My brother _______________ (go) to Shanghai next week.

13.Tom often ______________(go) to school on foot. But today is rain.

He ______________ (go) to school by bike.

第二部分 基数词序数词的讲解

1. 基数词

表示数目的词称为基数词。其形式如下:

A.从1——10

one,two,three,four,five,six,seven,eight,nine,ten.

B.从 11——19

eleven,twelve, thirteen, fourteen, fifteen, sixteen, seventeen,eighteen, nineteen.

这里除 eleven, twelve, thirteen, fifteen, eighteen为特殊形式外,fourteen,sixteen,seventeen,nineteen

都是由其个位数形式后添加后缀-teen构成。

C.从 21——99

整数几十中除twenty,thirty, forty,fifty,eighty为特殊形式外,sixty,seventy,ninety都是其个位数形式后添加后缀-ty构成。

表示几十几时,在几十和个位基数词形式之间添加连字符“-”

21 twenty-one

76 seventy-six

D.百位数

个数基数词形式加“hundred”,表示几百,在几十几与百位间加上and. 101 a hundred and one

320 three hundred and twenty

648 six hundred and forty-eight

E.千位数以上

从数字的右端向左端数起,每三位数加一个逗号“,”。从右开始,第一个“,”前的数字后添加 thousand,第二个“,”

前面的数字后添加 million,第三个“,”前的数字后添加 billion。然后一节一节分别表示,两个逗号之间最大的数为百位数形式。

2,648 two thousand six hundred and forty-eight

16,250,064 sixteen million two hundred and fifty thousand sixty-four 5,237,166,234 five billion,two hundred and thirty-seven million,one hundred and sixty-six thousand,two hundred ,and thirty-four

F.基数词在表示确切的数字时,不能使用百、千、百万、十亿的复数形式;但是,当基数词表示不确切数字,如成百、成千上万,三三两两时,基数词则以复数形式出现。

There are hundreds of people in the hall.

Thousands and thousands of people come to visit the Museum of Qin Terra-Cotta Warriors and Horses every day.

每天有成千上万的人来参观秦兵马涌博物馆。

They went to the theatre in twos and threes.

G.表示人的不确切岁数或年代,用几十的复数形式表示。

He became a professor in his thirties. 他三十多岁时成为了教授。 She died of lung cancer in forties. 她四十来岁时死于肺癌。 It was in the 1960s. 那是在二十世纪六十年代。

H.基数词的句法功能

基数词在句中可作主语、宾语、定语、表语、同位语。

The two happily opened the box. (作主语)

I need three altogether.(作宾语)

Four students are playing volleyball outside.(作定语)

We are sixteen. (作表语)

They three tried to finish the task before sunset.(作同位语)

2. 序数词

表示顺序的词称为序数词。序数词的主要形式:

从第一至第十九

其中,one— first, two— second, three— third, five— fifth,

eight—eighth,nine—ninth,twelve— twelfth为特殊形式,其它的序数词都是由其相对应的基数词后面添加“th”构成。例如: six— sixth、nineteen— nineteenth.

从第二十至第九十九

整数第几十的由其对应的基数词改变结尾字母y为i,再加“eth”构成。 twenty—twentieth thirty—thirtieth

表示第几十几时,用几十的基数词形式加上连字符“-”和个位序数词形式一起表示。

thirty-first 第三十一

fifty-sixth 第五十六

seventy-third 第七十三

ninety-ninth 第九十九

C.第一百以上的多位序数词

由基数词的形式变结尾部分为序数词形式来表示。

one hundred and twenty-first 第一百二十一

one thousand,three hundred and twentieth 第一千三百二十

D.序数词的缩写形式

有时,序数词可以用缩写形式来表示。主要缩写形式有。

first——lst second——2nd third——3rd

fourth——4th sixth——6th twentieth——20th

twenty-third——23rd

其中lst,2nd,3rd为特殊形式,其它的都是阿拉伯数字后加上th。

E.序数词的句法功能

序数词在句中可作主语、宾语、定语和表语。

The second is what I really need. (作主语)

He choose the second.(作宾语)

We are to carry out the first plan. (作定语)

She is the second in our class. (作表语)

注:序数词在使用时,通常前面要加冠词 the;但是如果序数词前出现冠词a或an时,则表示“再....”,“又....”。

We'll go over it a second time.

We've tried it three times.Must we try it a fourth time?

我们已经试过三遍了,还必须试一次(第四次)吗?

另外,基数词也可以表示顺序。只需将基数词放在它所修饰的名词之后即可,不需要添加冠词。

the first lesson——Lesson One

the fifth page …… 此处隐藏:6110字,全部文档内容请下载后查看。喜欢就下载吧 ……

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