1到40的基數詞：one、two、three four five six seven eight nine、ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty twentyone twentytwo Twentythree twentyfour twentyfive twentysix twentyseven twentyeight twentynine thirty thirtyone thirtytwo thirtythree thirtyfour thirtyfive thirtysix

thirtyseven thirtyeight thirtynine forty

序數詞：first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenth twentieth

twentyfirst twentysecond twentythird twentyfourth twentyfifth twentysixth twentyseventh twentyeighth twentynineth thirtieth thirtyfirst thirtysecond thirtythird thirtyfourth thirtyfifth thirtysixth thirtyseventh thirtyeighth thirtynineth fortieth