1、精選優(yōu)質(zhì)文檔-傾情為你奉上數(shù)詞 分類：數(shù)詞有基數(shù)詞和序數(shù)詞兩種。英語的數(shù)詞可以作句子的主語、賓語、表語和定語。一）. 基數(shù)詞：表示數(shù)目的詞叫基數(shù)詞。1、 英語中常用的基數(shù)詞有：123456789101112onetwothreefourfivesixseveneightnineteneleventwelve13141516171819thirteenfourteenfifteensixteenseventeeneighteennineteen2030405060708090100twentythirtyfortyfiftysixtyseventyeightyninetyone(a) hundr

2、ed2335101twenty-threethirty-fiveone hundred and one1000one(a) thousand,10000 ten thousand,one hundred thousand ,one million,ten million, one hundred million,108one hundred and eight, 146one hundred and forty-six, 500five hundred , 1001one thousand and one, 1813one thousand eight hundred and thirteen

3、. 注意：(1)百位與十位之間要加and；十萬位和萬位,億位和千萬位之間通常也要加and。(2)英語用千、百萬等單位計數(shù),大數(shù)字從右向左看, 每隔三位劃一逗號,倒數(shù)第一個逗號之前要用thousand,倒數(shù)第二個逗號之前要用million,倒數(shù)第三的逗號之前要用billion表示。(3) hundred、 thousand、 million作數(shù)詞時,不用復數(shù),前面可以加上one, two, 等其它數(shù)詞。用作名詞時復數(shù)表示“成上”,后面必須要有of,前面可以加上some,many,several等詞。如：five hundred(五百), hundreds of(成百上千的), ten thous

4、and(一萬), thousands of(成千上萬的), millions of(成百萬的)二）. 序數(shù)詞：表示順序的數(shù)詞叫序數(shù)詞。1、 英語的序數(shù)詞基本變法：(1) 一般在基數(shù)詞后加th,(2)-ve結(jié)尾的改為-fth,(3)-ty結(jié)尾的改為-tieth,(4)熟記特殊詞。2、序數(shù)詞如下：1st2nd3rd4th5th6th7th8th9th10th11th12thfirstsecondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfth13th14th15th16th17th18th19ththirteenthfourte

5、enthfifteenthsixteenthseventeentheighteenthnineteenth20th30th40th50th60th70th80th90th100thtwentieththirtiethfortiethfiftiethsixtiethseventietheightiethninetiethone undredth21st22nd23rd35th101sttwenty-firsttwenty-secondtwenty-thirdthirty-fifthone hundred and first1000thone thousandth, th one milliont

6、h., 第703the seven hundred and third, 第5480the five thousand four hundred and eightieth.3、注：(1)兩位以上的序數(shù)詞僅個位數(shù)部分用序數(shù)詞,其余部分仍用基數(shù)詞。如：thirty-sixth,(2) 使用序數(shù)詞時一般加定冠詞the. 如：Im in the third grade.(3) 序數(shù)詞作“幾分之幾”講時,有復數(shù)形式。如：1/5one fifth ; 2/3 two thirds ; 4/7 four sevenths ; 1/2 a half ; 1/4a quarter ; 3/4 three qu

7、arters ; 50% fifty hundredths ( fifty per cent).4、數(shù)詞的用法：1) 表示年份：2002: twenty thousand and two ; 1976 : nineteen seventy-six.2) 表示日期： 12月1日: Dec.1st或the first of December；2002年11月8日: Nov. 8th, 2002.3) 表示時刻： 5：15 five fifteen或a quarter past five ; 8：30 eight thirty或half past eight ; 10：45 ten forty-fi

8、ve或a quarter to eleven.4) 表示編號：Room 105Room one 0 five; Bus No.13Bus Number Thirteen; P.5Page Five; Tel.No.Telephone Number seven-six-five-eight-six-five-nine5) 小數(shù)的讀法：5.7 five point seven, 0.16 zero point one six.6) 6、“半”的表達： 1/2half, 半小時half an hour, 1.5小時one and a half hours或one hour and a half. 序數(shù)詞前面加the時,表示