1、数词专项复习英语中的数词包括基数词和序数词两大类,为了便于同学们系统地复习数词,现就小学阶段数词的主要内容作以下归纳。一、基本构成 (一)基数词(表示几)1.112的基数词是独立的单词,即: one,two,three,four,five,six,seven,eight, nine,ten,eleven,twelve。2.1319的基数词以-teen结尾,但13,15,18较特殊, 13thirteen 15fifteen 18eighteen。3.2090的整十位均以-ty结尾。但20,30,40,50,80较特殊, 20twenty, 30thirty, 40forty ,5
2、0fifty ,80eighty。4.十位数与个位数之间要加连字符号“-”,如:28 twenty-eight,96 ninety-six。5.百位和十位(若无十位则和个位)之间加and,如:148one hundred and forty-eight ,406four hundred and six。6.hundred(百),thousand(千),等前面即使有具体的数词,也不能在它们的后面加s。如:600six hundred,(二)序数词由基数词转变而来,表示“这是第几个”1.口诀巧记基数词变序数词:“一、二、三,特殊记, (第一first 第二se
3、cond第三third)八去“t”,九去“e”, (eighteighth nineninth)“ve”要用“f”替, (fivefifth,twelvetwelfth)见y变成i和e,词尾加上th(twentytwentieth,fortyfortieth)若是遇到几十几,只变个位就可以。(twenty-fivetwenty-fifth)2. 其余情况均在基数词后加th 3.序数词有时用缩写形式:First 缩写 1st, twentysecond 缩写 22th.二、基本
4、用法(一)基数词的基本用法用基数词来修饰可数名词时,一定别忘了用该名词的复数形式。如:十八个男孩 eighteen boys(二)序数词的基本用法1.序数词前面一般要加定冠词the(或物主代词):Autumn is the third season in a year.2.如果数字较长,序数词总避免使用,而且读的方法也常常简化:第201房间:Room 201 第319页:page 3193. 在谈编了号的东西时,我们可以用基数词表示顺序:the first part-part one 三、特殊数字的表示法 (一)年 月 日表示法1.年代前用
5、in. ( in ) 1905 读作(in ) nineteen and five ( in ) 1800 读作( in ) eighteen hundred2.月份开头第一个字母须大写,表示“在某月”时,月份前面用 in。 ( in ) January Jan. ( in ) March Mar. ( in ) December Dec.3. 日期 用序数词(前需要加the)表示; “ 在某日”,前面用介词on. ( on ) October the first 4. 某年 某月 某日in Sep. 1954
6、 on Oct. 1, 1949(读作on October the first, nineteen forty-nine) (二)时刻表示法1.在具体时刻前通常用at。如: ( at ) six or six oclock2.如说几点几分,常将时和分钟分别读出来,如:7:40读作seven forty注:上午可以用am表示,下午用pm表示,例如:9.50am 11.05pm (三)一些数学加减的读法:3+8=11 three plus eight is eleven. 9-7=2 nine minus seven is two.
7、 专项练习题一、英汉互译第六课 _20个鸡蛋_6月2日_ on March 20,2004 _seven thirty_ 96把椅子 _No. 5 Middle School _6:40 _ four times _ 二、把下列基数词改成序数词。one_two_three_nine_fourteen_twenty_ thirty-five_ five_ eight_twelve_ for
8、ty-one 三、选择题1. We are going to learn _ this term.A. book six B. six book C. the book six D. Book Six2. Jenny was born (出生) _.A. on July 10, 1987 B. in July 10, 1987 C. in 1987, July 10
9、D. on 19873. Autumn is _ season in a year.A. the fourth B. the third C. a third D. the threeth4. There are _ days in a year.A. three hundreds sixty-five B. three hundreds and sixty-fiveC. three hundred sixty-five
10、 D. three hundred and sixty-five5. There are _students in our school.A. eight hundreds and forty-six B. eight hundred and forty-sixC. eight hundred forty-six6. My brother is in_.A. Three Class, One Grade B. Class Three, Grade OneC.
11、Grade One, Class Three D. class three, grade one7. Please turn to _ . Lets read the text.A. Page two B. the page two C. second page D. page second8Danny lives in _ Aroom 404 BRoom 404 C404 room &n
12、bsp; D404 Room9Whats the date today? _ AIts Saturday BIts July CIts fine DIts July 1510What time do you get up every day? AIts seven oclock BSeven oclock time CAt seven &nb
13、sp; DOn seven11.My home is about away from the school.A. three hundred metre B. three hundreds metresC. three hundred metres D. three hundred metre12.We are lear
14、ning now.A.the twenty-first lesson B.Lesson Twenty-firstC.the 21th lesson D.Lesson 21 st13.This is her birthday, I think.A.twenty &
15、nbsp; B.twentieth C.the twentieth D.the twentys14.September is TeachersDay.A.the ten B the tenth C.the tens15. My grandmother is_ old. A. seventieth B. seventy yea
16、r C. seventy years D. seventies 16. Monday is the second day, and_. A. Tuesday is the fourth B. Thursday is fifth C. the second day is Tuesday D. th
17、e second day is Thursday 17. There are _months in a year. December is the _month of the year. A. twelve; twelve B. twelve; twelfth C. twelfth; twelve D. twelve; twelveth 18. Whats the date today? It is _. A
18、. Friday B. time to go C. cloudy D. June 4th 19. What is five and eight? A. Twelve B. Thirteen C. Fourteen D. Fifteen四、根据句意和有关常识,用英文数词填空。1. Fifty-one plus thirty-eight is _.2. There are _ days in a week(星期)。 3. W is _ lett
19、er in the alphabet(字母表).4. Thirty divided by(除以)five is _5、Bill is (14)years old , he is in Class (2)Grade (6).6、My birthday is on the (3)of March .7、September is the (9)month in a year .8、Which
20、boy is thinner , the (1)one or the (2)one ?9、There are (55)students in our class .10. We have_(12)months in a year.December is the _(12)one. 11. This is my_(1)bag. 12. My birthday is Dec._(21). 13. I have_(3)books. I like my_(3) book.