小学语法数词的使用规则

小学语法：数词的使用规则数词的使用规则1、基数词：表示数目多少。one11eleven21twenty-one2two12twelve22twenty-two3three13thirteen30thirty4four14fourteen40forty5five15fifteen50fifty6six16sixteen60sixtyseven17seventeen70seventy8eight18eighteen80eighty9nine19nineteen90ninety10ten20twenty100hundred注意：数字“0”可以读作“zr0”,也可以读作字母“o”。2、序数词：表示顺序先后。1stfirst11theleventh21sttwenty-first2ndsecond12thtwelfth22ndtwenty-second3rdthird13ththirteenth30ththirtieth4thfourth14thfourteenth40thfortieth5thfifth15thfifteenth50thfiftieth6thsixth16thsixteenth60thsixtieth