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1、1中考英语语法特辑中考英语语法特辑-数词数词1.基数词(1000 以内的基数词的读法)(1)1- 20：one，two，three，four，five，six，seven，eight，nine，ten，eleven，twelve， thirteen，fourteen，fifteen, sixteen，seventeen，eighteen，nineteen，twenty2.基数词变序数词的方法：(1)一般在基数词后加 theg.fourfourth,thirteenthirteenth(2)不规则变化onefirst,twosecond,threethird,fivefifth,eighteig
2、hth,nineninth,twelv e-twelfth(3)以 y 结尾的十位整数,变 y 为 ie 再加 thtwentytwentieth, fortyfortieth,ninetyninetieth(4)从二十一后的“几十几”直至“几百几十几”或“几千几百几十几”只将个位的基 数词变为序数词。twenty-first,two hundred and forty-fifth口诀：基变序，有规律;词尾要加 th。一二三，特殊记;词尾分别 tdd。八去 t ，九去 e ;ve 则以 f 替。ty 则变作 ti ; 后面还有一个 e。要是遇到几十几;只将个位变成序。3.数词的应用：A、时间：
3、a. 整点：基数词 + oclockeg. Its eight oclock now.b. 几点几分：1.直接表达法：先小时后分eg. 3:25 three twenty-five2.间接表达法：先分后小时1)(30 分钟)用 to：(60-分钟数) to (小时数+1)eg. 3:35 twenty-five (minutes) to four3) 30 分钟 = half 15 分钟 = a quartereg. 3:30 three thirty = half past three3:15 three fifteen = a quarter past three.3:45 three f
4、orty-five = a quarter to fourB、日期表达法：月日，年(或日月年)1949 年 10 月 1 日 :October1st , nineteen forty-nine=the first of October, nineteen forty-nine22000 年: the year two thousand=twenty hundred2001 年: twenty o one3 月 1 日: March the first = the first of MarchC、表编号：第 207 房间：Room 207第五课： Lesson 5 = the fifth les
5、sonD、序数词与不定冠词(a; an)连用表“又一;再一”eg. Youve done it three times. Why not try a fourth time?E、分数的表达：分子(基数)、分母(序数)eg. one third 三分之一 two thirds 三分之二注意：1.分子超过 1 时，分母加 s2.含分数的短语作主语由分数后的词决定谓语eg.1)One third of the students are girls.2)One third of the milk is mine.3.分数的特殊形式1)one third = a third2)one fourth = a quarterthree fourths = three quarters3)one second = a halfF、表约数：表不确定的数字时，数词用复数。若带名词，再加 of如：hundreds of(数百，成百上千的)，thousands of(数干，成千上万的)，millions of(数百万的)G、数学运算的表达eg.3+5=8 Three plus/and five is eight.9-2=7 Nine minus two is seven.6x5=30 Five times six is thirty82=4 Eight divided by two is four.
