搜索
Let’slearntwelvemonths(月份).•JanuaryFebruary•MarchApril•MayJune•JulyAugustSeptember•OctoberNovemberDecemberJanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberebruaryJanuaryor（或）F_____春节PlantingTreeDay植树节劳动节archayandMM母亲节ulyugustJAandArmyDay建军节NationalDay国庆节ChristmasDayNewYear’sDay新年基数词变序数词歌基变序，有规律：词尾加上th（fourth，sixth）一、二、三，特殊记；结尾字母t，d，d（first，second，third）;八减t，九去e（eighth，ninth）;ve要用f替（fifth，twelfth）;ty将y变成i；th前面有个e。若是碰到几十几，前用基来后用序。Learnthesenumbersandfindouttherules:1stfirst2ndsecond3rdthird4th5th6th7th8theighth9thninth10thfifth一起找找规律fourthsixthseventhtenthfoursixseventen1one2two3three45five678eight9nine10基数词序数词11eleven11theleventh12twelve12thtwelfth13thirteen13th14fourteen14th15fifteen15th16sixteen16th17seventeen17th18eighteen18th19nineteen19th20twenty20thtwentieththirteenthfifteenthsixteenthseventeentheighteenthnineteenthfourteenth序数词的用法：1.序数词前一般要加定冠词the。如：Thefirstboyismybrother.2.表示编号时，常把基数词放在名词后面来表示顺序，相当于“the+序数词+名词”。如：lessonfive=thefifthlesson下一页序数词的缩写阿拉伯数字＋个位序数词的后两位字母：thirty-first＝31sttwenty-second＝22ndsixty-fourth＝64th你能写出下列序数词的缩写吗？437590A:Whenisyourbirthday?B:Mybirthdayisin.A:Whichday?（哪一天？）B:It’sonJune2nd.WhenisTeacher’sDay?It’sSeptember10th.WhenisNationalDay?•It’sOctober1st.日期的表达dateWhat’sthedatetoday?It’s_________December21st.WhenisChristmasDay?•It’sonDecember25th（1980.9.12)Whenishisbirthday?HisbirthdayisonSeptember12th.YaoMingWhenisyourbirthday?It’son_______.请写出下列数字的序数词。112233445512618879