He has not found his book/He have not find his book.

题目

He has not found his book/He have not find his book.
分析下这两句

答案

第一句是说:到目前为止 他还是没有找到他的书, 说明找了很长时间了
第二句是说:他没有找到他的书,这个是一个瞬间的动作.