Question

Alice likes playing with her toy bear,改为一般疑问句？

Answer 1

Alice likes playing with her toy bear,改为一般疑问句要借助助动词 does
原来的动词要还原
即

Does Alice like playing with her toy bear？

Answer 2

这句话是一般现在时的第三人称单数的句子，改为一般问句时要在句首加助动词does，原句中的谓语动词要恢复原型，这样改：
Does Alice like playing with her toy
bear ?“爱丽丝喜欢和她的玩具熊玩吗？”