He can play these ball games very well.里面的play为什么不加S?

He can play these ball games very well.里面的play为什么不加S? he can play等于? can he play soccer w____? can he play soccer w____? He can a___ play basketball. What instruments can he play he is can play 为什么 He can not play with He can play chess.He cannot play chess.(合并句子) These ______(good) boys can play the piano very well. He can play chess and he can swim合并 he can play football改为一般疑问句 He can ----- football. A plays B play he can＇t______(play) soccer well. He can't play the piano.是什么意思 He can play football是什么意思急需! He can play it very well He can play (the guitar)括号提问