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1、中考英语专项数词学案一、基数词基数词是用来表示数量大小的词,在英语中通常放在名词前面。以下是一些常用 的基数词:1. one (1) two (2)、three (3)、four (4)、five (5)、six (6)、seven (7)、eight (8)、nine (9)、ten (10)举例:- 1 have one sister and two brothers.(我有一个姐姐和两个弟弟。)- There are five books on the table.(桌子上有五本书。)- She is eight years old.(她八岁 了。)2. eleven (11)、twel
2、ve (12)、thirteen (13)、fourteen (14)、fifteen (15)、sixteen (16) seventeen (17)、eighteen (18)、nineteen (19) twenty (20)举例:- My birthday is on the eleventh of September.(我的生日是九月 * 日。)- 1 like to eat twelve grapes at New Years Eve.(我喜欢在除夕吃十二颗葡萄。)- He can count from one to twenty.(他会从一数至U二十。)3. thirty (30
3、) forty (40) fifty (50)、sixty (60) seventy (70)、eighty (80) ninety (90) hundred (100)举例:- My grandma is seventy years old.(我奶奶七十岁 了。)- The room is 30 square meters.(这个房间面积是三十平方米。)- 1 have a hundred dollars in my pocket.(我口袋里有一百美元。)二、序数词 序数词是用来表示顺序的词,在英语中通常放在名词或代词后面,并以-th结尾。 以下是一些常用的序数词:L first (第一)、
4、second (第二)、third (第三)、fourth (第四)、fifth (第五)、sixth (第六)、seventh (第七)、eighth (第八)、ninth (第九)、tenth (第十)举例:- He was the first person to arrive.(他是第一个到达的人。)- Tom is in the second grade. (汤姆在二年级。)- She finished third in the race.(她在比赛中获得了第三名。)2. eleventh (第H 0、 twelfth (第十二)、thirteenth (第十三)、fourteenth
5、 (第 十四)、fifteenth (第十五)、sixteenth (第十六)、seventeenth (第十七)、eighteenth (第十八)、nineteenth (第十九)、twentieth (第二十) 举例:- 1 live on the eleventh floor of this building.(我住在这栋楼的第十一层。)- Yesterday was the twentieth anniversary of our marriage. (昨天是我们结婚二十 周年纪念日。)- She finished sixteenth in the competition.(她在比赛中
6、获得 了第十六名。)3. twenty-first (第二十)、twenty-second (第二十二)、twenty-third (第二十三)、 twenty-fourth (第二十四)、twenty-fifth (第二十五)、twenty-sixth (第二十六)、 twenty-seventh (第二十七)、twenty-eighth (第二十八)、twenty-ninth (第二十 九)、thirtieth (第三十) 举例:- Today is my twenty-third birthday.(今天是我的二十三岁生日。)- He finished in twenty-seventh
7、 place.(他获得了第二十七名。)- Im going to turn thirtieth next year.(我明年要过三十岁生日 了。) 总之,基数词和序数词在英语学习中都是非常重要的内容。掌握这些词汇可以帮 助我们更好地理解和表达数字大小以及顺序。三:基数词变序数词口诀:基变序,有规律,词尾加上th, 一二三特殊记,结尾字母t, d, do th要从四加起,八去t,九去e,五与十二同尾ve, f来把ve替。若是碰到几十几,只变个位就可以,整数词也好记,y变ie+th。序数词表顺序,前有定冠词the莫忘记.非常好的口诀!以下是一些基数词变为序数词的具体例子,按照口诀的顺序排 列:1、
8、一般规则基数词加上-th结尾。first 2 f second 3 f third 4 f fourth 5 f fifth sixf sixth seven f seventh eight f eighth nine f ninth ten f tenth eleven f eleventh twelve twelfth twenty f twentieth thirty - thirtieth fortyfortieth fiftyf fiftieth sixty f sixtieth seventy f seventieth eighty f eightieth ninety f nin
9、etieth hundred hundredth thousand thousandth2、特殊规则1 . 一二三记住一、二、三的规则,其他按照一般规则变化。1 f first 2 f second 3 f third2 . t, d, d 结尾基数词中结尾为t、d或dd的,在后面加上-th。four f fourth five f fifth eight f eighth nine f ninth twenty f twentieth hundred hundredth thousand f thousandth3 .四、八、九四变为fourth,八去掉t变为eighth,九去掉e变为nin
10、thofour f fourth eighth eighth nine f ninth4 .以ve结尾的数词 将ve”替换为f,再加上fifteen f fifteenthfive f fifth twelve f twelfth若是遇上几十几,只变各位就可以。thirty-first (31th)第三Heighty-seventh (87th)第八十七四:牛刀小试请学出基数词和序数词1写出下列词的基数词:2 6 59sixty-second (62nd)第六十二ninety-eighth (98th)第九十八1 7 4 8 3 12 11 10 .2、写出下列词的序数词:one two th
11、ree sixf iv e nin etwelve eight twenty-one seventen ten五:选择填空1. The class has students.a) fiveb) fifthc) fiftyd) fifteen2. Please write down your phone number:.a) oneb) firstc) onced) once more3. There are days in a week.a)sevenb)seventhc) seventeenthd) seventieth4. Jack has red pencils.a) twob) sec
12、ondc) twentyd) twelfth5. My brother is years old.a) threeb) thirdc) thirtyd) thirteenth6. We have books on the shelf.a) fourb) forthc) fourteend) fortieth7. She is going to visit her grandparents.a) twiceb) twoc) twentiethd) twelfth8. The store opens at in the morning.a) sixb) sixthc) sixteend) sixt
13、y9. May I have piece of cake, please?a) ab) anc) oned) first10. Lucy is the person in line.a) fifthb) fiftyc) fifteenthd) five11.1 bought apples at the market.a) severalb)seventhc) seventeend)seventy12. Can you give me minutes to think about it?a) ab) anc) oned) first13. The meeting starts at.a) nin
14、eb) ninthc) nineteend) ninety14. There are students absent today.a) fewb) ninec) ninetyd) ninth15. Congratulations! You have just won prize.a) ab) anc) oned) first16. My sister has cats.a)threeb) thirdc) thirtyd) thirteenth17. Can I have cups of tea, please?a) ab) anc) oned) first18. My birthday is
15、on.a) October 1stb) October firstc) the first of Octoberd) one October19. They have been friends for years.a) twob) secondc) twiced) twelve20.student in our class is my best friend.a) Everyb) Eachc) Somed) Any以下是答案:1. c) fifty 2. a) one 3. a) seven 4. a) two 5. a) three 6. c) fourteen 7. a) twice 8. a) six 9. c) one 10. a) fifth 11. c) seventeen 12. a) a 13. a) nine 14. a) few 15. c) one 16. a) three 17. a) a 18. c) the first of October 19. d) twelve 20. b) Each
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