数词和量词
*基数词
基数词指表⽰数⽬的词。
ⅠⅡⅢⅣ
1 one 11 eleven 20 twenty 100
2 two 12 twelve 30 thirty a hundredfinally什么意思
3 three 13 thirteen 40 forty 1,000
4 four 14 fourteen 50 fifty a thousand
5 five 15 fifteen 60 sixty 1,000,000
6 six 16 sixteen 70 venty a million
7 ven 17 venteen 80 eighty 1,000,000,000
8 eight 18 eighteen 90 ninety a billion（⼗亿）
9 nine 19 nineteen 1,000,000,000,000
10 ten a trillion(⼀万亿）
其它基数词的构成法：
39 thirty-nine 52 fifty-two
83 eighty-three 91 ninety-one
375 three hundred and venty-five 582 five hundred and eighty-two
819 eight hundred and nineteen
902 nine hundred and two
4,007 four thousand and ven
8,021 eight thousand and twenty-one
13,849 thirteen thousand,eight hundred and forty-nine
631,562 six hundred and thrity-one ,five hundred and sixty-two
54,256,000 fifty-four million,two hundred and fifty-six thousandforeignkey
970,000,000 nine and venty million
14,800,000,000 fourteen billion eight hundred million
2,000,000,000,000 two trillion
注：在这类词中，hundred,thousand,million,billion，trillion等词都⽤单数形式。基数词在句中的主要作⽤：
1、定语、主语、宾语或者介词宾语、表语、同位语。
2、基数词可⽤复数形式，表⽰很⼤的量。
例:The boat cost hundreds of pounds.
Thousands of people attended the meeting.
only倒装句
Tens of thousands of buffaloes uesd to roam the prairie.
3、某些基数词可以⽤在“in the (one’s)...”结构中，表⽰年岁、年代。
例：She is in her early twenties.她现在⼆⼗⼀⼆岁。
She is in her late twenties.她现在⼆⼗⼋九岁。
This took place in the 1950’s.这事发⽣在⼆⼗世纪五⼗年代。
He was working abroad in the 70’s.七⼗年代他在外国⼯作。
⼀些数学公式的读法：
7+4=11 Seven plus four is eleven.
12-5=7 Twelve minus five is ven.
6×8=48 Six times eight is forty-eight. 或Six multiplied by eight is forty-eight.
发挥英语24÷6=4 Twenty-four divided by six is four.
a＞b a is more than b.
a＜b a is less than b.
a≈b a approximately equals b.
a≠b a is not equal to b.
*序数词
1 first 11 eleventh 20 twentieth
2 cond 12 twelfth 30 thirtieth
3 third 13 thirteenth 40 fortieth
4 fourth 14 fourteenth 50 fiftieth
5 fifth 15 fifteenth 60 sixtieth
6 sixth 16 sixteenth 70 ventieth
7 venth 17 venteenth 80 eightieth
8 eighth 18 eighteenth 90 nintieth
9 ninth 19 nineteenth
alphabetical order
10 tenth
读法：
第⼆⼗⼆ twenty-cond 第三⼗⼀ thirty-first
第七⼗⼋ venty-eighth 第九⼗三 ninety-third
第⼀百五⼗ one hundred and fiftieth
第九百九⼗九 nine hundred and ninety-ninth
写法：
first 1st , cond 2nd ,third 3rd ,fourth 4th, twentieth 20th, twenty-first 21st.序数词的作⽤：
1、可⽤作：定语、表语、主语、宾语或者介语宾语。
2、序数词可与a连⽤，表⽰“再⼀个”，“⼜⼀次”等。
例：She could not go through that a cond time.
He’s getting married a third time.
3、表⽰⽇期。
May 1st March 8th April 22nd
get to4、⽤在短语中
I thought that perpormance third-rate.我认为那场演出是三流⽔平。
I bought a cond-hand car.我买了辆⼆⼿车。
序数词表顺序的办法：
the first part = part one 第⼀部分
the fifth chapter = chapter five 第五章
the twenty-third ction = ction twenty-three 第⼆⼗三节
读编号：
第705号房间 Room705
第254页 Page254
第⼆汽车⼚ The No.2 Auto Plant
九号车厢 Carriage No.9
my pleasure
三号及四号卧铺 Berths 3and 4
第103路公共汽车 Bus No.103
海湾道7859号 7859 Bay Road
年份的读法：
2000 the year two thousand
2004 two thousand and four
1949 nineteen forty-nine
1803 eighteen oh three
1600 sixteen hundred
450B.C. four fifty B.C.(公元前）
128A.D. one twenty-eightA.D.（公元后）
时间读法：
08:00 eight o'clock 或 eight
09:15 nine fifteen 或 quarter past nine 或 a quarter after nine
02:30 two thirty 或 half past two 或 half after two
05:45 five forty-five 或 a quarter to six 或 a quarter of six
07:00 oh ven hundred hours =
12:00 twelve hundred hours = midday = noon
14:15 fourteen fifteen =
23:05 twenty-three oh five =
24:00 twenty-four hundred hours = midnight
分数词：
1/4 one-forth 5/9 five-ninths
2/3 two-thirds 3 2/5 three and two-fifths
7/12 ven-twelfths 47 3/8 forty-ven and three-eighths
1/2 one half 1/4 a quarter
3/4 three-quarters 2 1/4 two and a quarter
1 1/
2 one and a half 7 3/4 ven and three quarters
2 5/9 twenty-five over nine 19/2
3 nineteen over twenty-three
⼩数的读法：
6.4 six point four
0.8 zero point eight 或 naught point eight
0.05 naught piont naught five 或 zero piont zero five
0.726 naught point ven two six 或 zero poiont ven two six
12.409 twelve point four oh nine
粗笨
nick zano709.06 ven hundred and nine point oh six
量词：
量词不是⼀种词类，⽽是许多与数量有关的词和短语，它们有：
1、许多与数量有关的代词和限定词，some,any,much,many等。
2、各种数词：two,half,a third,80%等。
3、名词和of构成的表数量的短语，a lot of,plenty of等。
4、⼀些与数量有关的形容词，enough,whole,half等。
5、与数量有关的名词，feet,miles,years,dozen等。
6、某些与数量有关的合成词，a five-dollar bill,a 6-page summary等。
爱迪7、⼀些与数量有关词组的所有格，two months' stay,four week's notice等。与容器有关的量词表达：
a bottle of beer a box of chocolate
a can of soup a bowl of rice
a cup of tea a basket of fruit
a bucket of water a sack of corn
a bag of toffees a crate of bananas
a glass of fruit juice a mug of milk
a packet of cigarettes a pot of jam
a spoon of sugar a tube of toothpaste a barrel of oil a carton of yoghurt
a jar of marmalade a pack of gum
a plate of beef a package of detergent
