Part B Let’s learn.ppt

Unit4WhenisEaster?,授课：宁乐BLetslearnLookandwrite,second,first,fourth,June4th,February2nd,fifth,August1st,third,3rd,January3rd,July5th,4th,1st,2nd,5th,Flashgame,Whenis_?Itson_,NewyearsDay,February1st,AprilFoolsDay,April1st,ChildrensDay,June1st,ChinasNationalDay,October1st,MayDay,May1st,表示数目顺序的词叫序数词。例如:第一，第二，,序数词,first,second,third,fourth,第二,第三,第四,第一,fifth(ve变f),第五,sixth,seventh,eighth（-t）,第六,第七,第八,ninth(-e),第九,tenth,第十,特殊变化的：第一，第二，第三（结尾t,d,d），第五，ve要用f替）；第八（减t），第九(减e),其他的序数词要在基数词后面+th,基数词变序数词规则,Whenisgrandpasbirthday?,ItsonOctober12th.,12th,twelfth,twelve,April12th,Sept.12th,January12th,eleven,twelve,thirteen,fourteen,eleventh,twelfth,thirteenth,fourteenth,fifteenth,sixteenth,seventeenth,eighteenth,nineteenth,sixteen,seventeen,eighteen,nineteen,fifteen,在11-19的序数词里面，只有第十二的变化最为特殊，twelfth,1)在第1到第19之间：特殊变化的：第一，第二，第三，第五，第八，第九,第十二2）其他的序数词要在基数词后面+th,基数词变序数词规则,Whenisgrandmasbirthday?,ItsonApril20th.,twentieth,20th,twenty,August20th,March20th,Oct.20th,WhenisDadsbirthday?,ItsonNovember30th.,thirtieth,30th,thirty,July30th,March30th,June30th,整十的数,twenty,thirty,forty,fifty,sixty,seventy,eighty,ninety,序数词,十位整数的序数词的构成方法:是将十位整数的词尾-y,变成i和e再加th;例如：twenty-twentieth,十位整数变序数词,twentieth,thirtieth,fortieth,fiftieth,sixtieth,seventieth,eightieth,ninetieth,WhenisMumsbirthday?,ItsonFebruary23rd.,twenty-third,23rd,twenty-three,April23rd,May23rd,Nov.23rd,Whenisyourbirthday?,ItsonAugust21st.,twenty-first,21st,twenty-one,February21st,Dec.21st,序数词,几十几（例如32，68等）序数词变化方法：只是把个位数变成相应的序数词,十位数不变例如：21:53:66:,twenty-one,fifty-three,sixty-six,twenty-third,twelfth,twenty-first,thirtieth,twentieth,twenty-third,twelfth,twenty-first,thirtieth,twentieth,23rd,12th,21st,30th,20th,WuYifansbirthdayisonAugust21st.GrandpasbirthdayisonOctober12th.GrandmasbirthdayisonApril20th.DadsbirthdayisonNovember30th.MumsbirthdayisonFebruary23rd.,WhenisTreePlantingDay?ItsonMarch12th.,WhenisChristmas?ItsonDecember25th.,Whenisyourbirthday?,Mybirthdayison_,Whenisyour/yourfathers/yourmothersbirthday?,Mybirthdayison/Itson,Whenis_?Itso