an第 1 页共 S 页中考英语数词讲解教案基数词(一)基本概念:表示数目多少的词叫基数词
1・12 独立成词:one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve2
13-19(4-teen):thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen3
20-90(整十位数+ty):twenty,thirty,forty,fiftysixty,seventy,eighty,ninety4
21-99 间的两位数,先说“十位”,再说“个位”,中间要加连字符5
101-999 之间的三位数,先说“百位”,再加 and,再加末尾两位数
1000 以上数,使用计数符号,每三位加以逗号,从第一个逗号起单位依次为thousand,million,billion
u万”表达为 tenthousand1,234,567,Ibillionmillionthousand例:579fivehundredandseventy-nme802eighthimdi-edandtwo4, 352fourthousandtlireehundredandfifty-two14,615fouiteeiithousandsixhundi'edandfifteen123,456,789onehundredandtwenty・threefourhundi'edandfifty・sixthousandsevenhundredandeighty-nine(-)基数词用法:第 2 页共 8 页1
从句子成分上分析,基数词在句中可用作主语、宾语、表语等
Fourofthemwenttothefactory(主语)Iwanttwo
(宾语)Mycla