按要求进行词类转换
1. nine(序数词)_____________ 2. three(序数词)_____________
3.eight(序数词)_____________ 4. second(基数词)____________
5.fifth(基数词)____________ 6.give (现在分词)____________
7.do (单三式)______________ 8. children(单数)_____________
9.celebrating(动词原形)____________ 10.teacher(名词所有格)__________