小学英语基数词序数词-语法课件.ppt
Unit 7,数 词,什么是数词？,表示数目多少或顺序多少的词叫数词，数词分为基数词和序数词。表示数目多少的数词叫基数词；表示顺序的数词叫序数词。,基数词,one,two,three,four,five,six,seven,eight,seven,six,three,zero,nine,two,one,eight,four,five,numbers,seven,six,three,zero,nine,two,one,eight,four,five,Numbers are widely used.,Hello，86861873-,Title,Number song,Lets sing a song！,Lets count!,1-10 one two three four five six seven eight nine ten 11-19 eleven twelve thirteen forteen fifteen sixteen seventeen eighteen nineteen,Lets review,10,20,30,40,50,60,70,80,90,100,ten,thirty,forty,seventy,sixty,One hundred,fifty,ninety,twenty,eighty,one-first,two-second,three-third,four-fourth,five-fifth,six-sixth,seven-seventh,eight-eighth,nine-ninth,ten-tenth,序数词,twenty-twentieth,thirty-thirtieth,forty-fortieth,fifty-fiftieth,sixty-sixtieth,seventy-seventieth,eighty-eightieth,ninety-ninetieth,tenth,ninth,eighth,seventh,sixth,fifth,fourth,third,second,first,ordinal numbers,tenth,ninth,eighth,seventh,sixth,fifth,fourth,third,second,first,一、二、三，特殊记，加th从4起，八少“t”，九去“e”，“ve”要用“f”替，(five,twelve)见“y”变成“i”和“e”，词尾加上“th”，(twenty,thirty,-ninety)若是遇到几十几，只变个位就可以。,ordinal numbers(序数词),作业,二.把基数词改为序数词。1.one 2.two 3.three 4.five 5.nine 6.eight 7.twelve 8.fourteen 9.twenty 10.twenty-one 11.forty-four 12.ninety-six,1.first 2.second 3.third 4.fifth 5.ninth 6.eighth 7.twelfth 8.fourteenth 9.twentieth 10.twenty-first 11.fourty-fourth 12.ninth-sixth,三、用括号内所给数词的正确形式填空。1.We are in Class_（3）.2.We have_（12）months of the year.December is the _（12）month.3.There are _(7)of a week.4.My birthday is Dec._（21）.5.I have_（3）books.四、选择题。1.My grandmother is_ old.A.seventieth B.seventy year C.seventy years D.seventies 2.Monday is the second day,and_.A.Tuesday is the fourth B.Thursday is fifth C.the second day is Tuesday D.the second day is Thursday 3.There are _months in a year.December is the _month of the year.A.twelve;twelve B.twelve;twelfth C.twelfth;twelve D.twelve;twelveth 4.Whats the date today?It is _.Friday B.time to go C.cloudy D.June 4th 5.What is five and eight?A.Twelve B.Thirteen C.Fourteen D.Fifteen,Thank You!,
