基数词与序数词ppt课件.ppt

文档介绍：-one…twenty-hirty-one…thirty-nineforty-one…forty-ninefifty-one…fifty-ninesixty-one…sixty-nineseventy-one…seventy-nineeighty-one…eighty-y-one…y-ninehundred基数词:表示数目的多少。:表示事物的先后顺序,常与the连用。(说一说5分钟):序数词::序数词::序数词:-onetwenty-twotwenty-threethirtyfortytwenty-firsttwenty-secondtwenty-thirdthirtiethfortieth21st22nd23rd30th40th基数词:序数词::eenth21sttwenty-first22ndtwenty-second23rdtwenty-third24th25th26th27th28th29th30ththirtieth31stthirty-firsttwenty-fourthtwenty-fifthtwenty-sixthtwenty-seventhtwenty-eighthtwenty-ninth10.