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Wang Yali in Yinhai School序数词和基数词序数词和基数词什么是序数词?什么是序数词?是表示顺序的数词。比如,第一 1st,第二 2nd,第三,3rd Where is the teachers office? Its on the 2nd floor.那那one, two , three又是什么词呢?又是什么词呢?是基数词,是表示数目、数量的数词。比如: How many people are there in your family? There are 3.那基数词变成序数词有什么规律吗?那基数词变成序数词有什么规律吗?基变序,有规律,词尾都加“th”;(5th,6th,10th, 13th,17th)一,二,三特殊记,词尾字母“t、d、d”;(1st,2nd,3rd)要是遇到几十几,只变个位就可以。 (31st,42nd,53rd,64th)1 2 3 11 20 21 咱们来练一练吧!咱们来练一练吧!