他每天不做他的家庭作业,为什么是he doesn't do his home work every day
问题描述：
他每天不做他的家庭作业,为什么是he doesn't do his home work every day
而不是 he doesn't does his homework every day
答
does或doesn't后面要加动词原型
does的原型是do,所以用do,而不用does