小升初复习课件数词.ppt

,Sing a song.,数 词,基数 词,序数 词,one two three four five six seven eight nine ten eleven twelve,1.13-19 后缀-teen 2.20-90 后缀-ty 3.几十几连字符“-”如 26 twenty-six 4.百 hundred 千 thousand 百万 million 十亿 billion5.成百上千hundreds of 成千上万 thousands of 成百万上亿millions of,请用1分钟的时间默写出三十百万的单词！,one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen,twenty,thirty,forty,fifty,sixty,seventy,eighty,ninety,hundred,thousand,million,时间表达法,.直接表达法：six thirty,.间接表达法 分过时five past six 6:05 分差时five to six 5:55 一刻:quarter 半小时 half,1961 nineteen sixty-one nineteen hundred and sixty one,年份表达,说说下列词的英语表达,7:35 8:07 9:45 1:15 3:30,1984 1999 1935 1787,five years old,five-year-old,五岁 I am five tears old.我五岁了。,五岁的 Lily is a five-year-old girl.Lily 是一个五岁的女孩。,请用英语说出下面的 数字！,九百九十九,一千八百五十七,三百五十万,序数词的构成！,基数词+th,一，二，三，特殊记。,八去t，九减e，ve要用f替，,见y变成i和e。词尾加上th,若是碰到几十几，只变个位就可以。,特殊情况,one-first,two-second,three-third,基数词几十几变成序数词时，表示几十的数词不变，只把个位的变成序数词！,第二十一,第二百四十五.,第九百九十九,序数词的缩略形式由阿拉伯数字加序数词的最后两个字母构成。,first-1st,second-2nd,third-3rd,序数词前要加 the 或者 my,your,等物主代词,Exercise!,