Lesson8First,Second,Third

Unit2DaysandMothersLesson8关于序数词的描述,firstsecondthirdfourthfifth,sixthseventheighthninthtenth,第一,第二,第三,第四,第五,第六,第七,第八,第九,第十,Letslearn,第一,first,第二,second,第三,third,first第一,Januaryisthefirstmonthoftheyear.,second第二,Februaryisthesecondmonthoftheyear.,third第三,Marchisthethirdmonthoftheyear.,fourth第四,Aprilisthefourthmonthoftheyear.,fifth第五,Mayisthefifthmonthoftheyear.,sixth第六,Juneisthesixthmonthoftheyear.,seventh第七,Julyistheseventhmonthoftheyear.,eighth第八,Augustistheeighthmonthoftheyear.,ninth第九,Septemberistheninthmonthoftheyear.,tenth第十,Octoberisthetenthmonthoftheyear.,eleventh第十一,Novemberistheeleventhmonthoftheyear.,twelth第十二,Decemberisthetwelfthmonthoftheyear.,基数词(表示个数的词),1-one一个2-two两个3-three三个4-four四个5-five五个9-nine九个12-twelve十二个20-twenty二十个21-twenty-one二十一个30-thirty三十个,first(1st)第一,ninth(9th)第九,second(2nd)第二,fourth(4th)第四,third(3rd)第三,thirtieth(30th)第三十,twenty-first(21st)第二十一,twentieth(20th)第二十,fifth(5th)第五,twelfth(12th)第十二,序数词(表示顺序的词),序数词一般是由基数词后加-th变化而来。four（四）-fourth(4th)第四six（六）-sixth(6th)第六seven（七）-seventh(7th)第七ten（十）-tenth(10th)第十eleven（十一）-eleventh(11th)第十一thirteen（十三）-thirteenth(13th)第十三fourteen（十四）-fourteenth(14th)第十四fifteen（十五）-fifteenth(15th)第十五sixteen（十六）-sixteenth(16th)第十六seventeen（十七）-seventeenth(17th)第十七eighteen（十八）-eighteenth(18th)第十八nineteen（十九）-nineteenth(19th)第十九,特殊的基数词,one(一)-first(第一)two(二)-second(第二)three(三)-third(第三),几个特殊变化的序数词,five(五)-fifth(第五)twelve(十二)-twelfth(第十二)eight(八)-eighth(第八)nine(九)-ninth(第九),整十的序数词把y变成i加-eth,1twenty(二十)-twentieth(第二十)2thirty(三十)-thirtieth(第三十)3forty(四十)-fortie