基数词用法

基数词用法
基数词用法

基数词

口诀

基数词记忆口诀

基数词很容易,

0至12词各异,单独记。

13至19,以teen结尾不要丢;

20至90,整十后面有个ty;

几十几,也容易:

先说几十,再说几,中间短杠“-”加上去。

hundred是一百,

百内数字记心怀。

几百几,挺容易:

先说几百,再说几,中间and加上去。

thousand是一千,

千内数字记心间。

基数词:表示数目的词称为基数词。其形式如下:

(1).从1——10 one,two,three,four,five,six,seven,eight,nine,ten.(2).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。

(3).从20——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

(4).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 (5).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 and 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

(6).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 Terra-Cotta Warriors and Horses every day.每天有成千上万的人来参观秦兵马俑博物馆有时两个复数形式的基数词连用可写为:hundreds of thousands of , tens of hundreds of 等等。

They went to the theatre in twos and threes.他们三三两两地来到了剧院。

(7).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。

句法功能

基数词在句中可作主语、宾语、定语、表语、同位语。

基数词主要表示事物或人物的个数。

The two happily opened the box.两个人高兴地打开了盒子。(作主语)

I need three altogether.我总共需要三个。(作宾语)

Four students are playing volleyball outside.四个学生在外面打排球。(作定语)

We are sixteen.我们是16个人。(作表语)

They three tried to finish the task before sunset.他们三个人尽力想在日落前完成任务。(作同位语)

9). 表示分数时分子用基数词,分母用序数词:

1/3 one-third(三分之一), 3/4 three-fourths(四分之三), 3/37 three and three-sevenths(三十七分之三)

:one(一),two(二),ten(十),twenty(二十),one hundred(一百),two thousand(两千),ten million(一千万),three billion(三十亿)等

总而言之,多数位的基数词写法为:几十几用“-”连接,有专有单位数与无专有单位数有“and”连接,间零可用“and"连接。

基数词和序数词的用法

基数词: 表示人或事物数量多少的词. 序数词: 表示人或事物的顺序的词. 一. 基数词. 1.基数词的读法. 1)1---12 : one two three four five six seven eight nine ten eleven twelve 2)13---19: 词尾加-teen :thir teen four teen fif teen six teen seven teen eigh teen nine teen 3)20,30,40,50,60,70,80,90 : 逢十词尾加-ty : twen ty thir ty for ty fif ty six ty seven ty eigh ty nine ty 4)21----99: 在十位与个位之间加连字符构成. 21--- twenty-one 99---ninety-nine 5)101---999 :先说几百, 再加and ,再加末尾两位数或个位数. 101---one hundred and one 238----two hundred and thirty-eight 6)1000以上的数:先将数字从右往左数,每三位数用一个逗号隔开, 从右往左第一个逗号表示“千”读thousand 第二个逗号表示“百万”读million 第三个逗号表示“十亿”读billion 18,657,421--- eighteen million ,six hundred and fifty-seven thousand ,four hundred and twenty-one. Exercise: 写出下列数字 12 14 20 40 90 19 400 600 35 78 305 678

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

英语量词概念和用法

?量词: 通常用来表示人、事物或动作的数量单位的词,叫做量词。 例如:a bag of (rice), a piece of (news), a cup of (tea) ?量词特点: 在英语中,有很多量词词组,例如:a group of,a flock of,a bunch of,a bundle of等等. 量词词组粗略地归纳了以下的特点,具体表现为: 特点一: 英语量词词组所表示的数或量,大致可归纳为四种类型,即定量、不定量、大量和少量。 1.表示定量的量词词组,譬如: a couple of(两个、一对) a couple of days, a couple of players, a couple of times; a cupful of(一满杯) a cupful of jelly, a cupful of water; a portion of(一份/客) a portion of duck, a portion of roast beef。 2.表示不定量的量词词组,譬如: a majority of(大多数/大半)

a majority of opinions, a majority of votes; an atom of(一点) an atom of food, an atom of truth; a spell of(一阵/一段时间) a spell of fine weather, a spell of coughing。 3.表示大量的量词词组,譬如: a flood of—a flood of ink(洋洋大篇), a flood of tears(泪如泉涌); a heap of—a heap of earth(一堆泥土), a heap of customers(许多顾客); a mountain of—a mountain of debts(债台高筑),a mountain of difficulties(困难重重)。 4.表示少量的量词词组,譬如: a drop of—a drop of fever(有点热度), a drop of dew(一点露水); a particle of—a particle of feeling(一丝感情), a particle of dust(一点灰尘); a shadow of—a shadow of doubt(一点怀疑), a shadow of freedom(一点自由)。

序数词的意义及用法

英语上数词分为两大类:基数词和序数词 意义:序数词是指表示顺序的数词。 序数词其主要形式: (1)从第一至第十二:one—first two—second three—third four-fourth five—fifth six—sixth seven—seventh eight—eighth nine—ninth ten—tenth eleven—eleventh twelve—twelfth 大多的序数词都是由其相对应的基数词后面添加“th”构成。 (2)从第二十至第九十九整数第几十的形式由其对应的基数词改变结尾字母y为ie,再加“th”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 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 hundr ed and twentieth 第一千三百二十 序数词的缩写 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。 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.第二个是我真正需要的。(作主语)He choose the second.他挑选了第二个。(作宾语) We are to carry out the first plan.我们将执行第一个计划。(作定语)She is the second in our class.在我们班她是第二名。(作表语)注:序数词在使用时,通常前面要加定冠词the;但是如果序数词前出现不定冠词a或an时,则表示“再——”,“又——”。 We'll go over it a second time.我们得再念第二遍。 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? 表示顺序的序数词 只需将基数词放在它所修饰的名词之后即可,不需要添加定冠词。 the first lesson——Lesson One the fifth page——Page 5(five) the twenty-first room——Room 21(twenty-one) 序数词(ordinal numeral) 1 first 2 second 3 third 4 fourth 5 fifth 6 sixth 7 seventh 8 eighth 9 ninth 10 tenth 11 eleventh 12 twelfth 13 thirteenth 14 fourteenth 15 fifteenth 16 sixteenth 17 seventeenth 18 eighteenth19 nineteenth 20 twentieth 30 thirtieth 40 fortieth 50 fiftieth 60 sixtieth 70 seventieth

英语中基数词与序数词的区别和用法

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 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. 他们三三两两地来到了剧院。 G.表示人的不确切岁数或年代,用几十的复数形式表示。

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

初中,高中基数词和序数词的英语用法(2)

1.基数词的构成 (1)1-20 o n e,t w o,t h r e e,f o u r,f i v e,s i x,s e v e n,e i g h t,n i n e,t e n,e l e v e n,t w e l v e,t h i r t e e n,f o u r t e e n,f i f t e e n,s i x t e e n,s e v e n t e e n,e i g h t e e n, n i n e t e e n,t w e n t y (2)21-99先说“几十”,再说“几”,中间加连字符。 23→t w e n t y-t h r e e,34→t h i r t y-f o u r,45→f o r t y—f i v e,56→f i f t y-s i x,67→s i x t y-s e v e n,78→s e v e n t y-e i g h t,89→e i g h t y-n i n e,91→n i n e t y-o n e (3)101—999先说“几百”,再加a n d,再加末两位数或末位数; 586→f i v e h u n d r e d a n d e i g h t y-s i x,803→e i g h t h u n d r e d a n d t h r e e (4)l,000以上,先从右往左数,每三位数加一个“,”,第一个“,”前为t h o u s a n d.第二个“,”前为

mi l l i o n,第三个“,”前为b i l l i o n(美式)或t h o u s a n d,mi l l i o n (英式),然后一节一节地表示。 1,001→o n e t h o u s a n d a n d o n e 9,785→n i n e t h o u s a n d,s e v e n h u n d r e d a n d e i g h t y-f i v e 18,423→e i g h t e e n t h o u s a n d,f o u r h u n d r e d a n d t w e n t y-t h r e e 6,260,309→s i xm i l l i o nt w oh u n d r e da n ds i x t yt h o u s a n d t h r e e h u n d r e d a n d n i n e 750,000,000,000→s e v e n h u n d r e d a n d f i f t y,b i l l i o n(美式)s e v e n h u n d r e d a n d f i f t y t h o u s a n d mi l l i o n(英式) 2.基数词的用法 (1)作主语 e g.F o u r O f t h e m c o m e f r o m P a r i s. (2)作宾语

高中英语数词的用法总结

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 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. 他们三三两两地来到了剧院. 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

英语量词用法大全

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一群鸟、鹅、母鸡、羊、燕子a flock of birds/geese/hens/goats/swallows 一群猎狗、狼a pack of hounds/wolves 2、描述一丝/点/层 一丝怀疑a shadow of doubt 一线未来之光a glimpse of future 一缕月光a streak of moonlight 一层霜/雪/糖霜a layer of frost/snow/cream 3. piece块;片;段;项;件;篇;首;幅;张 a piece of bread/paper/wood/furniture/land/advice/news/meat /cloth/music... 4、英译“一阵” 一阵哭泣/喝彩/炮击/ 雷声

初一基数词序数词用法和练习题(含答案)

基数词序数词练习题 Name _________ No.____ I. Choose the best answer ( )1. Please turn to ______. A. Page 11 B. the 11st page C. page 11 D. page the 11 th ( )2. At night we can see ______ stars in the sky. A. thousands and thousands of B. thousand and thousands of C. a thousand and thousands D. thousand and thousand ( )3. There are some _____ in our classroom. A. hundred of books B. the hundreds of books C. hundreds of books D. hundred of book ( )4. I have been to the village ________. A. a hundred time B. hundred times C. hundreds of times D. hundred of times ( )5. There are ____ students in our school. A. four—hundred and forty—five B. four hundred and forty—five C. four hundreds and forty—five D. four hundred and forty five ( )6. The teacher told me to go over _____ lessons. A. thirst three B. the three first C. three the first D. the first three ( )7. May is ____ of a year. A. the fifth months B. the fifth month C. the five months D. the five month ( )8. We live in ______. A. the twenty-first century B. the century twenty-one C. century twenty-one D. the century twenty-first ( )9. He said he was going to be free in _______. A. one and a half hour B. one hour and half C. one and half hours D. an hour and a half ( )10. ---How many English books are there on the table? ---There is only _____English book on it. A. a B. an C. one D. the ( )11. Mr Smith stayed in _____ last night. A. Room 403 B. the Room 403 C. the 403 room D. 403 the room ( )12. The road is _________. A. two thousand and five hundred metres long B. two thousands metres long C. long one thousand five hundred metre D. a thousand and five hundreds metres long ( )13. He joined the army on ______ of May 1980. A. 1 st B. the 1 C. first D. the first ( )14. Is Sunday the ____ day of the week? A. a B. one C. once D. first ( )15. March the _____ is Women’s Day. A. eighth B. ninth C. tenth D. eight ( )16. September is the _____month of the year.

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基数词用法说明 基数词用法说明1. 表示整十的基数词有时用于复数形式,表示人的岁数或年代The man died in his thirties. 这个人三十多岁就死了。He joined the army in the eighties. 他于80年代参军。2. 用基数词表示时刻时要注意以下几点① 若为整点钟,则直接读相应的基数词;若为非整点钟,则分别以“时”和“分”为单位用相应的基数词读出at twelve 在12点at nine twenty-five 在9点25分② 对于带“分”的时间,也可借助past(过)和to(差)这两个介词来表示(在美国英语中用after表示“过”)。但是注意,这样表示时“分”不能超过30,否则应作处理,如10:42应处理成“11点差18分”10:22 读作twenty-two past (after) ten 9:46 读作fourteen minutes to ten以上分钟后带了minutes一词。若“分”为5, 10, 15, 20 等五的倍数,则可省略minutes10:05 读作five

(minutes) past [after] ten 9:20 读作twenty (minutes) past [after] nine 若“分”为15或45,可借用quarter 一词;若“分”为30,可借用half一词9:15 读作 a quarter past nine 6:30 读作half past six 3. 年份的读法。通常以“百”为单位来读1972 读作 nineteen (hundred and) sixty-two1995 读作nineteen (hundred and) ninety-five【注】① 除非在正式场合,其中的hundred and通常都省略。② 对于20XX这样的年代通常以“千”为单位来读2000 读作 two thousand 20XX 读作 two thousand and three

基数词与序数词详尽用法

数词又分基数词和序数词,基数词表示数量,序数词表示顺序。 (2)基数词的写法 ① 21~99 的两位数,十位与个位之间用连字符“-”。例: ◇ 21 twenty-one ◇ 32thirty-two ◇ 98 ninety-eight ◇ 99ninety-nine ② 101~999的三位数,百位数和后面的数之间用连词and,百、千等数词一律用单数形式。◇ 101 one hundred andone ◇ 225 two hundred andtwenty five ◇ 999 nine hundred andninety-nine ③ 1000以上的数,从后面向前数,每三位中间点“,”,第一个“,”前为thousand,第 二个“,”前为 million,第三个“,”前为billion。例: ◇ 2,567 two thousand fivehundred and sixty-seven ◇ 3,018 three thousand andeighteen (3)基数词的用法 ①作主语。例:◇ Ten is a very important number.十是一个很重要的数字。 ◇ Two and three are (is) five. 2加3等于5。 ②作定语。例: ◇ One kilometer is equal to two li. 1公里等于2华里。 ◇ She has three brothers.她有三个兄弟。 ③作宾语。例: ◇ I wanted three but he gave mefive.我想要三个,但他给了我五个。 ◇ I get up before six every day.我每天六点之前起床。 ④作表语。例:◇—What time is it?几点钟啦?—It’s ten.十点。 (4)疑难点 hundred,thousand和million在合成数词中一般用单数形式,但是用来表示不定 数目时,用作复数形式。例: ◇ Hundreds of workers will go onstrike. ◇ Thousands of people are swimming in the river. 此时 hundred,thousand等词前没有数词修饰,且通常其复数形式与of 连用。 4.2 序数词的构成与用法 (1)序数词的构成 ①一般来说,是由相应的基数词加词尾th构成。例: ◇ four + th → fourth ◇ six + th → sixth

基数词用法

基数词 口诀 基数词记忆口诀 基数词很容易, 0至12词各异,单独记。 13至19,以teen结尾不要丢; 20至90,整十后面有个ty; 几十几,也容易: 先说几十,再说几,中间短杠“-”加上去。 hundred是一百, 百内数字记心怀。 几百几,挺容易: 先说几百,再说几,中间and加上去。 thousand是一千, 千内数字记心间。 基数词:表示数目的词称为基数词。其形式如下: (1).从1——10 one,two,three,four,five,six,seven,eight,nine,ten.(2).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。 (3).从20——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 (4).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 (5).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 and sixty-four

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