he hurts himself改一般疑问句和否定句

问题描述:

he hurts himself改一般疑问句和否定句
和he hurt himself有区别吗?

Does he hurt himself?
He doesn't hurt himself.
He hurt himself 指过去伤了自己那他们都是一样的改法吗?肯定不一样了。He hurt himself Did he hurt himself?He didn't hurt himself.啊,看来我搞反了,hurt的那句我写成了Dose……是的