给下列单词归类

1.drink  2. go  3.stay  4..look  5. buy  6.have  7.pass  8.carry  9.come  10.watch 11. Plant  12.fly  13.study  14.brush  15.do  16.Teach  17. swim  18.jump  19.walk 20.eat  21.copy  22. write   23 sing

 

 
动词三单结尾加“ s” _______________________________________________
动词三单结尾加“es”________________________________________________
动词三单结尾去“y”变“ies”________________________________________
特殊情况：________________________________________