Numbers數(shù)詞Numbersareeverywhere.phonenumberroomnumberlicencenumberNumbers數(shù)詞cardinalnumbers基數(shù)詞ordinalnumbers序數(shù)詞onetwothreefourfivesixseventeneightnine...onehundred13-19都是以teen結(jié)尾，20-90的整十都是以ty結(jié)尾。基數(shù)詞Cardinalnumbereleventwelve第三名第二名第一名Ordinalnumbers序數(shù)詞cardinalnumbers基數(shù)詞ordinalnumbers序數(shù)詞表數(shù)量表順序Ordinalnumbers1-10firstsecondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentieththirtiethfortiethfiftiethsixtiethseventietheithtiethninetieth11-1920、90基數(shù)詞變序數(shù)詞口訣基變序有規(guī)律，第一第二第三tdd；其余“th”加后邊?！皌h”里面有例外，你需格外記明白。八加h，九減e；f要把ve替，ty變成tie。若是遇到幾十幾，只變個(gè)位就可以。第一第二第三tddfourfourthsixsixthsevenseventh其余加后邊“th”八加h，九減eeighteighthnineninthf要把ve替，ty變成tiefivefifthtwelvetwelfthtwentytwentiethfortyfortieth若是遇到幾十幾，只變個(gè)位就可以fifty-fivefifty-fiftheighty-twoeighty-secondninty-nineninty-ninth基數(shù)詞變序數(shù)詞口訣基變序有規(guī)律，第一第二第三tdd；其余“th”加后邊?！皌h”里面有例外，你需格外記明白。八加h，九減e；f要把ve替，ty變成tie。若是遇到幾十幾，只變個(gè)位就可以。thefirstfloorthesecondfloorthethirdfloorthefourthfloorthefifthfloorWhenisKen'sbirthday?

It'sonJulytenth.cardinalnumbers基數(shù)詞ordinalnumbers序數(shù)詞表數(shù)量表順序、日期Summaryrules規(guī)則大顯身手寫出序數(shù)詞onetwothreefifty-eightforty-ninetwentyThankyou!大顯身手寫出序數(shù)詞onefirsttwosecond