序数词课件

1、三只钢笔2、六个苹果3、12个篮球4、32个西红柿基数词：描述事物数量的多少的数词。threepenssixapplestwelvebasketballsthirty-twotomatoesNumbers基数词OneTwoThreeFourFiveSixSevenEightNineTenElevenTwelveThirteenFourteenFifteenSixteenSeventeenEighteenNineteenTwentyTwenty-oneTwenty-twoThirtyFortyFiftySixtySeventyEightyNinetyAhundred数词序顺序表示事物的顺序的数词。（由基数词变为序数词）Learnthesenumbersandfindouttherules:一起找规律1stfirst2ndsecond3rdthird4thfourth5th6th7th8theighth9thninth10thfifthsixthseventhtenth11theleventh12thtwelfth13th14th15th16th17th18th19th20thtwentieththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenth21sttwenty-first22ndtwenty-second23rdtwenty-third24th25th26th27th28th29th30ththirtieth31stthirty-firsttwenty-fourthtwenty-fifthtwenty-sixthtwenty-seventhtwenty-eighthtwenty-ninth基变序有规律，结尾加上th1、一、二、三特殊记，结尾就是t/d/d第一first（one)第二second(two)第三third(three)2、八去“t”,九去“e”,“ve”要用“f”替后加”th”别忘记第十二twelfth（twelve)第八eighth(eight)第九ninth（nine)第五fifth(five)3、整十把“y”变”ie”,后加th莫迟疑twenty---twentieththirty---thirtiethforty---fortiethfifty---fiftiethsixty---sixtieth4、若要遇到几十几，只变个位就可以twenty-one---twenty-firstfifty-five---fifty-fiftheighty-two---eighty-secondninety-three---ninety-third5、序数词表顺序，前有定冠词莫忘记1.ThemonthofayearisApril(四月）A.thirdB.fourthC.fifth2.Thegirlis.Todayisherbirthday.A.twelfth;twelfthB.twelve;twelfthC.twelfth;twelve3.Ihaveapples,isgreen.A.six;fourthB.sixth;fourC.six;thefourth基变序有规律，结尾加上th1、一、二、三特殊记，结尾就是t/d/d2、八去“t”,九去“e”,“ve”要用“f”替后加”th”别忘记3、整十把“y”变”ie”,后加th莫迟疑4、若要遇到几十几，只变个位就可以5、序数词表顺序，前有定冠词莫忘记