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1、语法英语中基数词、序数词、分数、小数和百分数的读法百分数的读法1.基数词的读法：A.先说“几十”，再说“几”，中间用连字符。如：23—twenty-three89—eighty-nineB.先说“几百”，再加and,再加末两位数（或末位数）。如：223—twohundredandtwenty-three416—fourhundredandsixteen809—eighthundredandnineC.1000以上的数先从后向前数，每三位数加一“,”（千分位）；第一个“,”号前为thousand;第二个“,”号前
2、为million;第三个“,”号前为billion。如：1,001—onethousandandone4,000—fourthousand9,743—ninethousand,sevenhundredandforty-three174,301—a(one)hundredandseventy-fourthousand,threehundredandone750,000,000—C.1000以上的数先从后向前数，每三位数加一“,”（千分位）；第一个“,”号前为thousand;第二个“,”号前为million;第三
3、个“,”号前为billion。如：1,001—onethousandandone4,000—fourthousand9,743—ninethousand,sevenhundredandforty-three174,301—a(one)hundredandseventy-fourthousand,threehundredandone750,000,000—sevenhundredandfiftymillion2.序数词的读法序数词一般以与之相应的基数词加词尾-th构成，如：tenth（第十），但下面这些基数词在变
4、序数词时，有特别的地方。如：A.one—firsttwo—secondthree—thirdfive—fifth3用心爱心专心eight—eighthnine—ninthtwelve—twelfthB.以-ty结尾的词，要先变-y为-i，再加-eth。如：twenty—twentiethforty—fortiethC.以one,two,three,five,nine收尾的多位数词，要照第一条方法变。如：twenty-one—twenty-firsttwenty-two—twenty-secondthirty-f
5、ive—thirty-fifthninety-nine—ninetyahundredandfifty-three—ahundredandfifty-third3.分数词的读法基数词表示分子，序数词表示分母，除了分子是“1”的情况外，序数词要用复数。如：¼one-fourth2/3—two-third7/9—seven--ninths5/12—five--twelfths3/5twoandthree—fifths.7/8thirtyandseven—eighths.一些特殊的表达法½—a/onehalf¼—thr
6、eequarters¾—threequarters4.小数的读法7.8—sevenpointeight0.4—zeropointfour0.03—zeropointzerothree0.125—zeropointonetwofive14.397—fourteenpointthreenineseven5)百分数的读法27%—twenty-sevenpercent45%—forty-fivepercent86%—eighty-sixpercentPractice3用心爱心专心Readthefollowingnumb
7、ers.2/5two-fifths5/8five-eighths9/10nine-tenths3/8three-eighths0.5pointfive0.8pointeight1.23onepointtwothree796,000sevenhundred,ninety-sixthousand3用心爱心专心
