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初中英语基数词和序数词的详细讲解

初中英语基数词和序数词的详细讲解
初中英语基数词和序数词的详细讲解

基数词和序数词详细讲解

基数词

英语中数词分为两大类:基数词和序数词。

—、基数词定义:描述事物数量的多少的数词称为基数词。

二、基数词的构成

(1)1~12独立成词。

(2)13~19,+teen构成。

(3)整十的,以ty结尾。

(4)21~99,两位数,十位与个位之间有“一”。

eg:31thirty-one 66 sixty-six 99 ninety-nine (5)101~999,三位数,百位与十位/个位之间加and

eg:840 eight hundred and forty

693 six hundred and ninety-three

101 one hundred and one

(6)1000以上的数目,从后向前数,每三位用“,”隔开,从后往前分隔号读thousand,million,billion。

8, 300, 531, 628

l l l

billion million thousand

三.基数词的用法

1、表示具体数目,hundred,thousand,million不用复数;表示不确定数目,用复数。 hundreds of(数百),thousands of(数

千),million of (数百万)+名词复数,但不能与具体数目连用。eg:There are three thousand students in our school.

eg:After the war,millions of people became homeless.

2、“几十”的复数形式可以表示:

(1)在某人几十多——in+one’s+数词复数

在几十年代——in+the+年份复数

eg: in his forties.在他40岁时.

(2)In the 1990s(在二十世纪90年代)

3、“基数词+名词”的合成形容词作定语,中间带有连字符“—”,当中的名词用单数。

eg :a 3-year-old girl a ten-day holiday

4、表计量—“基数词+度量单位+形容词”

eg:The classroom is 8 meters long,7 meters wide and 4 meters high.

序数词

一、序数词定义:序数词是指表示顺序的数词.

二、序数词的构成

(1)1~3,特殊记, first,second,third.

(2)4~19,相应基数词尾+th,特殊拼写fifth,eighth,ninth,twelfth。

(3)20~90整十的,y变成ie+th,eg:twentieth。

(4)21~99,只把个位的基数词变成序数词,eg:21 twenty—first,

小学六年级英语基数词与序数词对照表

基数词 序数词缩写基数词 序数词缩写 one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth thirteenth fourteenth fifteenth 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th 14th 15th seventeen eighteen nineteen twenty twenty-one twenty-two twenty-three twenty-four twenty-five twenty-six twenty-seven twenty-eight twenty-nine thirty thirty-one seventeenth eighteenth nineteenth twentieth twenty-first twenty-second twenty-third twenty-fourth twenty-fifth twenty-sixth twenty-seventh twenty-eighth twenty-ninth thirtieth thirty-first 17th 18th 19th 20th 21st 22nd 23rd 24th 25th 26th 27th 28th 29th 30th 31st sixteen sixteenth16th 基数词 one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen 序数词 first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth thirteenth fourteenth fifteenth 缩写 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th 14th 15th 基数词 seventeen eighteen nineteen twenty twenty-one twenty-two twenty-three twenty-four twenty-five twenty-six twenty-seven twenty-eight twenty-nine thirty thirty-one 序数词 seventeenth eighteenth nineteenth twentieth twenty-first twenty-second twenty-third twenty-fourth twenty-fifth twenty-sixth twenty-seventh twenty-eighth twenty-ninth thirtieth thirty-first 缩写 17th 18th 19th 20th 21st 22nd 23rd 24th 25th 26th 27th 28th 29th 30th 31st

(完整word版)初中英语常用词组和短语表

初中英语常用词组和短语表 A a bit 一点儿 a bottle of 一瓶 a few 一些,几个(后加可数名词)a little 一些,一点(加不可数名词)a lot of = lots of 许多(加可数或不可数) a great deal of 大量的(接不可数名词) a great many 大量,许多(后接可数名词)a number of 许多,若干(后接可数名词)plenty of 许多(接可数名词或不可数名词)a piece of 一张(一片,块) a cup of 一茶杯 a pair of 一双;一对;一副 all kinds of 各种各样 all one's life 一生 all over 遍及每一部分,浑身 all over the world 遍及全世界 all the same 仍然 all the time 一直 all the year round 一年到头 allow sb.to do sth. 允许某人做某事 after a while 过一会儿 again and again 一次又一次 agree with sb. 同意(某人)的意见 argue with sb. 与某人吵架 around the world 全世界 at the age of (后加基数词)在······岁 at the beginning of 在······开端 at the doctor's 在诊所;在医院 at the end of 在······末尾 at the head of 在······排头 at the foot of... 在······脚下 at the moment = now 此刻 at the same time 在同时 at times 有时 at...as 和······一样 not as/so...as 和······不一样 as long as 只要 as soon as 一······就······ as soon as possible 尽可能快地 as if = as though 似乎,好像 as well 也;并;和;同 as well as 除······之外,也,既······又······as usual 像平时一样 ask for 向······要······,请求 ask for leave 请假 arrive at/in 到达 at breakfast 在吃早饭 at work 在工作 at midnight 在午夜 at night/noon 在夜里/中午 at first 首先,起初 at last 最后 at least 至少 at once 立刻,马上 at that time 在那时 B be able to 能够 be angry with sb. 生某人的气 be angry at sth. 对某事生气 be awake 醒来 be bad for 对······有害 be born 出生 be afraid of sth. /of doing sth.. 害怕/害怕做······ be afraid to do sth. 害怕做······ be afraid that... 恐怕······ be amazed at 对······感到惊讶 be back 回来 be in = be at home 在家 be out 外出 be careful(of)关心,注意,仔细 be covered with 被······覆盖 because of 因为 begin with 以······开始 be ready for 为······作好准备 be surprised(at)对······感到惊讶 be on 在进行,在上演,(灯)亮着be pleased with 对······感到高兴(满意) be strict with sb. 对(某人)要求严格 be strict in sth. 对(某事)要求严格 be from 来自······,什么地方人 be worried about 担忧 be worth doing... 值得做······ be in trouble 处于困境中 be glad to do sth. 很高兴做······ be satisfied with 对······感到满意

英语基数词序数词时间表达法

英语中的数字、时间表达法(一) 英语的数字写法都是国际通用的,一看就明白,但如何读就很伤脑筋,或者老外读一大串数字,我们一个也没听懂。弄清楚英语在数字上的习惯表达方法,可以让很多日常交流变得更通畅些。 1. 基数词 2. 序数词 3、时刻表示法 4、年月表示法 5、数学中的表示法 6、数量表示法 7、数学术语 8、英语数字的正确表达 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。

基数词和序数词

基数词和序数词 一.表示数目多少的词叫基数词: 二.表示顺序的数次叫序数词: 注意: Hundred thousand million 1.其前有具体数字时,用单数: There are thousand students in this in this school. 这所学校大约有2000名学生。 2.前无数词,模糊数字+s+of短语: Hundreds of people come to see our ’s so great. 成百的人来看我们的戏剧,它太成功了。 3.基数词变序数词口诀: 基变序,很容易,结尾加上th。 一二三特殊记,结尾各是t,d,d。 八去t,九去e,f来把ve替,

y改为ie,结尾仍有th。若是遇到几十几,只变个位就可以。 三.基数词的用法: 1.基数词在句中可用作主语、宾语、表语、定语和同位语。 主语:Four of them went to the factory. 他们四个人去了工厂。 宾语: I want two. 我要两个。 定语: There thirty classrooms in our school. 我们学校有30个教室。 表语: My classmate is eighteen. 我的同学18岁。 He is only three,and he can’t dress himself. 他只有三岁,不会穿衣服。 同位语: We three will go there together. 我们3个一起去。 注意:1以上的基数词作定语时,它所修饰的名词要用复数形式: The road is 16 meters in width. 这条路十六米宽。 18 American students came to our school yesterday. 昨天有18个美国学生来到我校。 四.序数词的用法: 1.序数词可以在句子中当主语、宾语、定语、表语。 主语: The second is what I really need. 第二个是是我真正需要的。 宾语: He chose the second. 他选了第二个。 定语: We are carry out the first plan. 我们将执行第一个计划。 表语: She is the second in our class. 在我们班她是第二名。 注意: 1.The nine students are in Class Five.这九个学生都是五班的。 2.The ninth student is in Class Five.第九个学生是五班的。 3.序数词前用不定冠词的常见情况: ①序数词前加“a”表“再一次”。 May I have a second try我能再试一次吗 Now tell me why you took a second arrow. 告诉我,为什么你手里拿着另一支箭 ②在名次中排“第几” You should try to get a first or a second in the examination.你应力争在这次考试中得个第一、二名。 ③表示任何一个“第几者”。 We don’t allow a third to have a hand in this matter. 我们不允许第三者插手此事。 ④当“分数词”用表示“几分之几”。 A third of the students failed in the exam. 三分之一的学生在这次考试中没及格。五.时间表达法: 1.顺序法 seven five 7:05 seven fifty-two 7:52 seven thirty 7:30 2.先分钟后时刻法:整点用o’clock,半点用half.>30用to,<30用和45分钟用quarter 15分钟) 8 o’clock 八点 half past eight . 上午八点半 a quarter to twelve 差一刻12点 twenty-nine to eight 差29分八点

初中英语常见单词分类

重点词汇分类:班级:_________ 姓名:_________ 星期: 周一Monday 周二Tuesday 周三Wednesday 周四Thursday 周五Friday 周六Saturday 周日Sunday 昨天yesterday 今天today 明天tomorrow ------------------------------------------------------------------------------------------------------- 基数词: 一one 二two 三three 四four 五five 六six 七seven 八eight 九nine 十ten 十一eleven 十二twelve 十三thirteen 十四fourteen 十五fifteen 十六sixteen 十七seventeen 十八eighteen 十九nineteen 二十twenty 二十一twenty-one 三十thirty 三十一thirty-one 四十forty 五十fifty 六十sixty 七十seventy 八十eighty 九十ninety 百Hundred 千Thousand 百万million 十亿billion ------------------------------------------------------------------------------------------------------- 序数词: 第一first 第二second 第三third 第四fourth 第五fifth 第六sixth 第七seventh 第八eighth 第九ninth 第十tenth 第十一eleventh 第十二twelfth 第十三thirteenth 第十八eighteenth 十九nineteenth 第二十twentieth 第二十一twenty-first ------------------------------------------------------------------------------------------------------- 月份: 一月January 二月February 三月Marcy 四月April 五月May 六月June 七月July 八月August 九月September 十月October 十一月November 十二月December ------------------------------------------------------------------------------------------------------- 季节:season 春spring 夏summer 秋autumn/fall 冬winter ------------------------------------------------------------------------------------------------------- 课程类 Chinese汉语English英语math数学PE 体育history历史 geography地理 Physics物理 chemistry 化学 music音乐 art美术

基数词与序数词对照表

基数词与序数词对照表 1 one 一;1st first 第一 2 two 二;2nd second 第二 3 three 十;3rd third 第三 4 four 四;4th fourth 第四 5 five 五;5th fifth 第五 6 six 六;6th sixth 第六 7 seven 七;7th seventh 第七 8 eight 八;8th eighth 第八 9 nine 九;9th ninth 第九 10 ten 十;10th tenth 第十 11 eleven 十一;11th eleventh 第十一 12 twelve 十二;12th twelfth 第十二(twelve变ve为f加th) 13 therteen 十三;13th thirteenth 第十三 14 fourteen 十四;14th fourteenth 第十四 15 fifteen 十五;15th fifteenth 第十五 16 sixteen 十六;16th sixteenth 第十六 17 seventeen 十七;17th seventeen 第十七 18 eighteen 十八;18th eighteenth 第十八 19 nineteen 十九;19th nineteenth 第十九 20 twenty 二十;20th twentieth 第二十(twenty变y为ie加th) 21 twenty-one 二十一;21st twenty-first 第二十一 23 twenty-three 二十三;23rd twenty-third 第二十三 25 twenty-five 二十五;25th twenty-fifth 第二十五 27 twenty-seven 二十七;27th twenty-seventh 第二十七 29 twenty-nine 二十九;29th twenty-ninth 第二十九 30 thirty 三十;30th thirtieth 第三十 32 thirty-two 三十二;32nd thirty-second 第三十二 34 thirty-four 三十四;34th thirty-fourth 第三十四 36 thirty-six 三十六;36th thirty-sixth 第三十六 38 thirty-eight 三十八;38th thirty-eighth 第三十八40 forty 四十;40th fortieth 第四十 50 fifty 五十;50th fiftieth 第五十 60 sixty 六十;60th sixtieth 第六十 70 seventy 七十;70th seventieth 第七十 80 eighty 八十;80th eightieth 第八十 90 ninety 九十;90th ninetieth 第九十 100 one hundred 一百; 100th (one)hundredth 第一百 101 one hundred and one 一百零一; 321 three hundred and twenty-one 三百二十一; 999 nine hundred and ninety-nine 九百九十九; 1,000 one thousand 一千; 1,001 one thousand and one 一千零一; 4,321 four thousand hundred and twenty-one 四千三百二十一; 10,000 ten thousand 一万; 54,321 fifty-four thousand three hundred and twenty-one 五万四千三百二十一; 100,000 one hundred thousand 十万 654,321 six hundred and fifty-four thousand three hundred and twenty-one 六十五万四千三百二十一 1,000,000 one million 一百万 7,654,321 seven million six hundred and fifty-four thousand three hundred and twenty-one 七百六十五万四千三百二十一 10,000,000 ten million 一千万 87,654,321 eighty-seven million six hundred and fifty-four thousand three hundred and twenty-one 八千七百六十五万四千三百二十一100,000,000 one hundred millon 一亿 987,654,321 nine hundred and eighty-seven million six hundred and fifty-four thousand three hundred and twenty-one 九亿八千七百六十五 万四千三百二十一 1,000,000,000 one billion 十亿

英语1-100基数词和序数词的写法

英语基数词的1-100的写法 1one 2 two 3 three 4 four5 five 6 six 7 seven 8 eight9 nine10 ten 11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen 20 twenty 21 twenty-one 22 twenty-two 23 twenty-three 24 twenty-four 25 twenty-five 26 twenty-six 27twenty-seven 28 twenty-eight 29twenty-nine 30 thirty 31thirty-one32 thirty-two33 thirty-three 34 thirty-four 35 thirty-five36 thirty-six 37 thirty-seven 38 thirty-eight 39thirty-nine 40 forty 41 forty-one 42 forty-two 43 forty-three 44 forty-four 45 forty-five 46 forty-six 47 forty-seven 48 forty-eight 49 forty-nine 50 fifty 51 fifty-one 52 fifty-two 53fifty-three 54fifty-four 55 fifty-five 56 fifty-six 57 fifty-seven 58 fifty-eight 59 fifty-nine 60 sixty 61 sixty-one 62 sixty-two 63 sixty-three 64 sixty-four65 sixty-five

1到100的基数词与序数词

基数词 1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine @ 10 ten 11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen ? 19 nineteen 20 twenty 21 twenty-one 22 twenty- two 23 twenty- three 24 twenty- four 25 twenty- five 26 twenty- six 27 twenty- seven : 28 twenty- eight 29 twenty- nine 30 thirty 31 thirty- one 32 thirty- two 33 thirty- three 34 thirty- four 35 thirty- five 36 thirty- six }37 thirty- seven 38 thirty- eight 39 thirty- nine 40 forty 41 forty- one 42 forty- two 43 forty- three 44 forty- four 45 forty- five $ 46 forty- six 47 forty- seven 48 forty- eight 49 forty- nine 50 fifty 51 fifty- one 52 fifty- two 53 fifty- three 54 fifty- four 《 55 fifty- five 56 fifty- six 57 fifty- seven 58 fifty- eight 59 fifty- nine 60 sixty 61 sixty- one 62 sixty- two 63 sixty- three { 64 sixty- four 65 sixty- five 66 sixty- six 67 sixty- seven 68 sixty- eight 69 sixty- nine 70 seventy 71 seventy- one 72 seventy- two : 73 seventy- three 74 seventy- four 75 seventy- five 76 seventy- six 77 seventy- seven 78 seventy- eight 79 seventy- nine 80 eighty 81 eighty- one } 82 eighty- two 83 eighty- three 84 eighty- four 85 eighty- five 86 eighty- six 87 eighty- seven 88 eighty- eight 89 eighty- nine 90 ninety ) 91 ninety-one 92 ninety- two 93 ninety- three 94 ninety- four 95 ninety- five 96 ninety- six 97 ninety- seven 98 ninety- eight 99 ninety- nine & 100 a hundred "

基数词与序数词的区别和用法(细整理)教学提纲

英语中基数词与序数词的区别和用法 一、数词的分类 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. 大厅里有数以百计的人。 Thousands and thousands of people come to visit the Museum of Qin Terracotta 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. 他们三三两两地来到了剧院。

初中英语常见单词和短语

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