I play computer games when I finish my homwork.(这句话是对还是错?错了请指出错在哪.)

问题描述:

I play computer games when I finish my homwork.(这句话是对还是错?错了请指出错在哪.)

错,
应改为:I am playing computer games when I finish my homework.
或改为:I was playing computer games when I finished my homework.