1、基数词和序数词一 表示数目多少的词叫基数词：100 以下的基本基数词 100 以上1-10 11-19 20-901 one 11 eleven 20 twenty2 two 12 twelve 30 thirty3 three 13 thirteen 40 forty4 four 14 fourteen 50 fifty5 five 15 fifteen 60 sixty6 six 16 sixteen 70 seventy7 seven 17 seventeen 80 eighty8 eight 18 eightteen 90 ninety9 nine 19 nineteen10 ten1
2、00a/one hundred;1000a/one thousand;1,000,000a/one million;1,000,000,000a/one billion（美）a/one thousand million(英)二 表示顺序的数次叫序数词：基本序数词的构成1st first 11th eleventh 20th twentieth 30th thirtieth2nd second 12th twelfth 21st twenty-first 40th fortieth3rd third 13th thirteenth 22nd twenty-second 50th fiftieth
3、4th fourth 14th fourteenth 23rd twenty-third 60th sixtieth5th fifth 15th fifteenth 24th twenty-fourth 70th sevenyieth6th sixth 16th sixteenth 25th twenty-fifth 80th eightieth7th seventh 17th seventeenth 26th twenty-sixth 90th ninetieth8th eighth 18th eighteenth 27th twenty-seventh 100th one hundredt
4、h9th ninth 19th nineteenth 28th twenty-eighty 1,000th one thousangth10th tenth 29th twenty-ninth 1,000,000th one millionth100,000,000th one billionth注意： Hundred thousand million1. 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 peop
5、le come to see our play.Its 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 schoo
6、l. 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 cant 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
7、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
8、学生是五班的。3. 序数词前用不定冠词的常见情况： 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？ 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。 表示任何一个“第几者” 。We dont allow a third to have a hand in this matter. 我们不允许第三者插手此事
9、。 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 7：302.先分钟后时刻法：整点用 oclock,半点用 half.30 用 to，30 用 past.15 和 45 分钟用quarter(0.25 15 分钟)8 oclock 八点half past eight a.m. 上午八点半a quarter to twelve 差一刻 12 点twenty-nin
10、e to eight 差 29 分八点twenty-nine past eight 8:29六数词的固定搭配：in one 合为一体 one and the same 同一个on one hand 一方面 by twos 成双成对in two 一分为二 second to none 首屈一指five-star 一流的；五星的 at sixes and sevens 乱七八糟ten to one 十分之九 a hundred and one 许多in twos and threes 三三两两；稀稀拉拉 It takes two to do something 双方均有责任。Two heads a
11、re better than one 三个臭皮匠，顶个诸葛亮七年、月、日的顺序：日、月、年 5 Jane 2005月、日、年 Jane 5 2005in the 1990s (nineteen nineties) 20 世纪 90 年代724B.C.=seven four two B.C. 公元前 724 年2000A.D. 公元 2000 年八年龄表达法：一个十七岁的女孩 a 17-year-old girl a girl 17 years old a girl of 17 a girl aged 17其他：416 房间：Room 4161 路公共汽车：Bus 1幸福大街 81 号：No.8
12、1,Xingfu street电话号码 256-9905：Tel.No.two five six nine nine(两个 9 也可表示为：double nine)0( 零)five邮政编号 100056;Postcode/Zip code one 0(零)0 0 five six5.078:five point zero seven eight1/3:one-third3/5:three-fifths8%:eight percentPage120 第 120 页倍数表达法：三次以上用“基数词+times” ，两倍用 twice 或 double。The earth is 49 times t
13、he size of the moon. 地球是月球的四十九倍。算式加减乘除表示法：加、乘算式中，谓语动词即可用单数也可用复数，但减、除算式中，谓语动词只能用单数。5+6=11 five and/plus six is/are/makes/make/equal/equals eleven.254=100 Twenty-five times (multiplies) four are one hundred.127=5 Twelve minus seven equals five.164=4 Sixteen divided by four is four.一加一等于几？ How much is one plus one? Its two.Hold on my own 坚持住。Gold speed my love. 上上帝助我突破层层障碍。2011 年 9 月 8 日星期四 9:40 邓翰生于家中
