2013年初中英语词性系列 数词

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第一篇:2013年初中英语词性系列 数词

英语词性系列之数词

1.数字的表示

三位数数词要在百位和十位(若无十位则和个位)之间加and。

1,000以上的数字,从后向前第三位数加一个“,”,第一个“,”前为thousand,第二个“,”前为million,第三个“,”前为billion。

2.序数词除了first,second,third外,其余都在基数词尾加-th构成。

3.分数分子在前,分母在后,分子用基数词,分母用序数词,当分子大于1小时,分母序数词要变成复数。

4.Hundreds(thousands,millions)of„„用法。

第二篇:初中英语—数词

初中英语—数词

数词分为基数词和序数词两种。表示数目或数量多少的词叫基数词;表示数目顺序的词叫序数词。

一.基数词

1.基数词就注意以下几点:

(1)几十几的基数词的十位数与个位数之间要用连字符“-”连接。如:

eighty-five 85

twenty-six 26

(2)三位数的基数词须在百位和十位(若无十位则和个位)之间用and连接。如:three hundred and sixty-five 365

two hundred and six 206

(3)基数词的复数形式。当基数词hundred, thousand, million, billion等词前有具体数词或several修饰时,必须用单数。如:

several hundred year’s ago几百年前

two thousand students两千个学生

2.基数词的特殊用法:

(1)表示“几十年代”或“几十岁”时,用逢十的基数词的复数形式。如:

in the 1990’s 20世纪90年代

in one’s twenties在某人20多岁时

(2)用在习语中。如:

in twos and threes三三两两地

二.序数词

序数词应注意的几点事项:

1.多位数的基数词变成序数词时,只需将末位基数词变成序数词,前边的基数词不变。如:forty-two 42 forty-second第42

nine-hundred 900 nine-hundredth第900

2.当序数词用阿拉伯数字表示时,必须在数字后加上序数词的最后两个字母。如:21st第21

32nd第32

3.序数词前一般要用定冠词the,如果序数词前用a或an时,则表示“又一;再一”(没有具体范围的限制)。如:

Though he had failed twice, he wanted to try a third time.尽管他已失败了两次,他还想再试一次。

The little monkey had had three apples, and he wanted to eat a fourth one.那只小猴子已经吃了3个苹果,他还想再吃一个。

三.分数和百分数

1.分数

(1)分数的分子用基数词,分母用序数词。如:

one fifth五分之一

one tenth十分之一

(2)当分子大于1时,分母用序数词的复数。如:

two thirds三分之二

five eighths八分之五

(3)当分子是1时,可以用one也可以用a。如:

a second = one second

a third = one third

(4)当分母是2和4时,分别可以用half和quarter代替。如:

a half二分之一

three quarters四分之三

2.百分数

百分数用percent表示。如:

forty percent百分之四十

three percent百分之三

3.分数、百分数与主谓一致

分数、百分数的考查往往和主谓一致相联系。当分数、百分数修饰可数名词的复数时,谓语动词用复数形式;当分数、百分数修饰不可数名词时,谓语动词用单数形式。如:Eighty percent of the students in our school come from Henan.我们学校百分之八十的学生来自河南。

Three fourths of the students in my class are interested in English.我们班四分之三的学生对英语感兴趣。

Two thirds of the water on the earth is sea water.地球上三分之二的水是海水。

四.倍数的表示法

1.表示“几倍大小(长短;数量)”,由“倍数+ the size(length, amount...)”结构组成。如:The earth is forth-nine times the size of the moon.2.表示“……比……大几倍”,由“倍数+形容词(副词)比较级+ than +被比较部分”结构组成。如:

This box is three times bigger than that one.3.表示“……是……倍”,由“倍数+ as +形容词+ as +被比较部分”结构组成。如:Our factory is twice as big as theirs.练习※答案

()1.Lincoln was born on ________.A.February 12, 1809B.1809, February 12C.1809, 12 FebruaryD.February 1809,12

()2.A _______ boy can sing the English song very well.A.ten-year-oldB.ten years oldC.ten-year-oldD.fifth years old

()3.An hour later, _____ minister was sent to see the “magic cloth” woven by those two men.A.twoB.the secondC.the twoD.second

()4.Abraham Lincoln was _______ President of the United States.A.16B.the 16C.16thD.the 16th

()5.Do you think there is any room for us ________ ?

A.twoB.the twoC.secondD.the second

()6.How many students are there in your class?

________.A.Twenty nineB.Thirty and twoC.Forty-fiveD.fifties

()7.Which number is wrong? _______.A.NinetyB.NinteenC.NinthD.Nineteenth

()8.The People's Liberation Army was founded _______.A.on August 1, 1927B.in 1927, 1 AugustC.on August 1st, 1927D.in August 1, 1927

()9.The number 4,123 is read _______.A.four thousand one hundred and twenty-threeB.four thousand and one hundred twenty-three

C.four thousand and a hundred and twenty-threeD.four thousands a hundred and twenty-three

()10.The old professor still works hard though he is _________.A.in his sixtyB.in his sixtiesC.in sixtiesD.in the sixty

()11.This classroom is ________ ours.A.three times big asB.as three times big asC.three times as big asD.as big three times as

()12.The basketball team of our school ranks ________ in the match.A.threeB.thirdC.the threeD.the third

()13.Which is the car that he drives? It's ________.A.fifty twoB.the fifty-two carsC.the car fifty fourD.the fifty-fourth car

()14.Which of the following is wrong? ________.A.He is a fifteen-year-old boy.B.He is at the age of 15.C.He is a boy of 15.D.He is fifteen year old.()15.Our school is not very big.There are only ________ students.A.nine hundreds ofB.nine hundredC.nine hundredsD.nine hundred of

()16.How many new words are there in ________ lesson?

There are only _________.A.five;fifthB.fifth;fiveC.the fifth;the fiveD.the fifth;five

()17.________, Coca-Cola began to enter China's market.A.In 1970'sB.In 1970sC.In the 1970s'D.In the 1970s

()18.There was no bus in that small town.We had a ________.A.ten miles walkB.ten-mile walkC.ten mile's walkD.tenth mile walk

()19.Today is the first day and ________.A.Tuesday is fourthB.Thursday is the fourthC.second is Tuesday D.a second is Thursday

()20.Which room do you live in? ________.A.The 201 RoomB.Room 201C.Room 201stD.The 201's Room

()21.How many magazines do you have? I have ________.A.twoB.bothC.twiceD.the second

()22.Three hundred thousand one hundred and seventy means ________.A.3,170B.3,117C.300,170D.30,170

()23.On May ________, ________ people traveled round the country.A.the first, millionsB.the first, millions ofC.first, the millionthD.first, millions

()24.________ of them are dining at school.A.TwelveB.TwelfthC.The twelveD.the 12th

()25.It's 7:17 is read ________.A.seven and seventeenB.seven sevenC.seven one sevenD.seven seventeen

()26.Four ________ two is two.A.plusB.minusC.timesD.divided by

()27.Three ________ five is eight.A.plusB.minusC.timesD.divided by

()28.Three ________ seven is twenty-one.A.plusB.minusC.timesD.divided by

()29.Forty-two ________ seven is six.A.plusB.minusC.timesD.divided by

()30.There are ________ days in a year.A.three hundred sixty and fiveB.three hundred and sixty-five

C.three hundreds and sixty-fiveD.three hundred sixty-five

()31.There are ________ students in that school.A.two thousand eight-sixB.two thousand eighty-six

C.two thousand and eighty-sixD.two thousands and eighty-six

()32.It took me ________ to get there.A.two hours and a halfB.two hours and half

C.two hour and a halfD.two hour and half

()33.September is _________ month of the year.A.the ninethB.the ninthC.ninethD.ninth

()34.Please pass me _______ book on the left.A.thirdB.threeC.the thirdD.the three

()35.________ is a very tall boy.A.The twelveB.The twelvethC.The twelfethD.The twelfth

()36.We have known each other for ________.A.a year and halfB.a year with halfC.a year and a halfD.a year with a half

()37.“What year is it?”

“It's ________.”

A.nineteen hundred and ninety-sevenB.nineteen and ninety-seven

C.nineteen ninety and sevenD.nineteen ninety-seven

()38.“What's the date today?”

“It's _________.”

A.TuesdayB.June FourthC.June the fourD.June the fourth

()39.The train from Shanghai will arrive ________.A.in quarter past sixB.in a quarter past sixC.at quarter past sixD.at a quarter past six

()40.My friend was born on _________.A.three of July, 1979B.the third of July,1979

C.1979, July the thirdD.1979, the third of July

()41.________ is less than ________.A.One-third;two-thirdsB.One-third;two-third

C.First-three;first-threesD.One-third;one-three

()42.Which lesson did you learn yesterday? ________.A.Lesson SevenB.Lesson seventhC.The 7 LessonD.7 Lesson

()43.“What's the date today?” “It's _______.”

A.the fourth of mayB.the fourth MayC.May fourD.May the fourth

()44.334 is read ________.A.three hundreds and thirty fourB.three hundreds thirty four

C.three hundred and thirty fourthD.three hundred and thirty-four

()45.In February, there are only _________ days.A.twenty nineB.twenty-ninethC.twenty-nineD.twenty eight

()46.There will be a comedy on TV at ________ this evening.A.seven past thirtyB.half past sevenC.seven the thirtyD.thirty to seven

()47.It took me ________ to find out the key to the drawer.A.one and half hoursB.one and a half hoursC.one and a half hourD.one and half hour

()48.I'm so tired after ________ walk.A.three hoursB.three hours'C.three hour'sD.three hour

()49.There are ________ stars in the sky.A.million ofB.millions ofC.the millionD.a million of

()50.the street is ________ wide.A.two metersB.two meterC.the two meterD.a two meter

Key:

1.A2.C3.B4.D5.A6.C7.B8.A9.A10.B11.C12.D13.D14.D15.B16.D17.D18.B19.B20.B21.A22.C23.B24.A25.D26.B27.A28.C29.D30.B31.C32.A33.B34.C35.D36.C37.D38.D39.D40.B41.A42.A43.D44.D45.C46.B47.B48.B49.B50.A

第三篇:2013年初中英语词性系列 副词

初中英语词性系列之副词

1.副词比较级的构成(1)单音节副词和个别双音节副词通过加-er,-est来构成比较级和最高级。

(2)绝大多数副词借助more,most来构成比较级和最高级。

(3)少数副词的不规则变化:

原级 比较级 最高级

well better best

badly worse worst

much more most

little less least

far farther farthest

farthest furthest

late later latest

(4)副词的最高级前面可以不加定冠词the。

(5)常用句型有like A better than B和like A(the)best of(in)„

其余变化和形容词类似。

2.常见副词用法

(1)too, either

Too 一般用于肯定句,常放在句末,否定句时用either。

(2)ago,before

ago 以现在为起点,和动词的过去时连用。before以过去某个时间为起点,常和过去完成时连用。当before前没有“一段时间”而单独使用时,泛指“以前”,常和完成时连用。如:I have heard the man before。我以前听说过那个人。

第四篇:2013年初中英语词性系列 名词

初中英语词性系列之名词

1.名词的可数与不可数。

可数名词指表示的人或事物可以用数来计量,它有单数与复数两种形式。不可数名词指所表示的事物不能用数来计量。物质名词与抽象名词一般无法用数目,来统计,都成为不可数名词。不可数名词前一般不能用冠词a、an来表示数量,没有复数形式。要表示“一个„„”这一概念,就须加a piece of这一类短语。要注意许多名词在汉语里看来是可数名词,在英语里却不可数。如:chalk,paper,bread,rice,grass,news等。

2.名词的复数。

(1)规则变化。

A.一般情况下加-s.B.以s, x, ch, sh, 结尾的加-es.如:bus---buses,box---boxes,watch---watches,brush---brushes.C.以辅音字母加y结尾的改y为i再加-es.如:city---cities,country---countries.D.以f,fe结尾的,去掉f或fe,变成v再加-es.(2)不规则变化A.元音发生变化。

如:man---men,woman---women,foot---feet,tooth---teeth,mouse---mice.B.词尾发生变化。

如:child---children.C.单、复数同形。

如:fish---fish,Japanese---Japanese,Chinese---Chinese,sheep---sheep.3.物质名词(不可数名词)量的表示方法。

(1)用much,a little,a lot of等表示。

(2)用容器表示。

a bowl of rice,a glass of water,a cup of tea,a piece of,orange,two glasses of milk,two pieces of paper.4.名词的所有格。

(1)名词所有格的构成法。

A.单数名词词尾加‘ s,复数名词词尾若没有s,也要加' s.the worker's bike,the Children' s ball.B.表示几个人共有一样东西,只需在最后一个人的名字后加' s若表示各自所有,则需在各个名字后' s.如:

This is Lucy and Licy' s room.These are Kate's and jack' s rooms.C.如果是通过在词尾加-s构成的复数形式的名词,只加'.如:

the students' books,the girls' blouses.(2)名词+of+名词名词是有生命的,我们就用's结构来表示所有关系。如果名词所表示的事物是无生命的,我们就要用名词+of+名词的结构来表示所有关系。如:the legs of the desk,the door of the room.但在表示名词所有格时,' s结构也常可转换成of结构。有些表示时间,距离、国家、城市等无生命的东西的名词,也可以加's来构成所有格。如:

ten minutes' walk,today's newspaper.

第五篇:初中英语数词教案

数词

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

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.

a hundred and one

320 three hundred and twenty

648 six hundred and forty-eight E.千位数以上

2,648 two thousand six hundred and forty-eight F.hundreds of 数百

thousands of

数千

比如 There are hundreds of people in the hall.大厅里有数以百计的人。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。序数词的构成及其说明

1)序数词第一、第二和第三为first,second和third,其他序数词的构成是在基数词后加th。例如:

six→sixth seven→seventhten→tenth four→fourth

2)five------fifth(第五)、eight------eigth(第八)、nine-------ninth(第九)和twelf-----twelfth(第十二)

3)二十、三十等基数词变为序数词时,要把y变成ie再加-th。例如:

twenty→twentiethforty→fortieth

4)基数词几十几变成序数词时,表示几十的数词不变,只把表示几的基数词变成序数词。例如:

twenty-one→twenty-first

forty-five→forty-fifth

5)第一百、第一千、第一百万、第十亿都是在基数词后直接加th构成。例如:

hundred→hundredth第一百 thousand→thousandth第一千

6).序数词的缩略形式是由阿拉伯数字加序数词的最后两个字母构成。例如:

1st,2nd,3rd,4th,21st,32nd,40th

序数词前面要加定冠词the。例如the first time

时刻表示法

1.表示几点钟用基数词加可以省略的o`clock

5:00 读作 five o`clock 或 five 2.表示几点过几分,在分钟后加past,再加小时

five past seven 七点过五分

half past six 六点半 a quarter past eight 八点过一刻 3.表示几点差几分,在分钟后面加to,再加小时

ten to eight 差十分八点(七点五十分)

a quarter to twelve 差一刻十二点(十一点四十五分)

twenty to six 差二十分六点(五点四十分)在日常生活中,常用下列简单方法表示时间。以小时、分种为单位分别读出数字。

6:31 读作 six thirty-one

14:03 读作 fourteen o three

23:55 读作 twenty-three fifty-five 注:时刻表上的时间大多采用24小时表示法,这样就不需要用a.m.表示上午,p.m.表示下午了。年代用定冠词及基数词表示的世纪加十位整数的复数形式构成

in the 1930`s(in the thirties of the twentieth century或 in the nineteen thirties)在二十世纪三十年代 in the 1860`s(in the sixties of the 19th century或 in the eighteen sixties)

由数词和其他名词构成的名词性短语作定语时,其中的名词用单数形式,名词性短语中各部分间要用连字符“-”来连接。She’s a sixteen-year-old girl.

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