题目内容：

My mother the work at school
空格处要求填do的各种时态,填哪种?填完后把这个句子变成否定句.
空格处在mother 和the之间

优质解答

My mother does the work at school.
因为My mother是第三人称单数,所以要用单三形式
否定句：
My mother doesn't do the work at school.