英语高手请进,A :I have had a problem with the computer,

题目

英语高手请进,A :I have had a problem with the computer,
和B :I have been having problems with the computer所对应的问题是what is the matter with it 为什么是b而不是a

答案

be-Ving是进行时态的组成结构啊.应该是要表达的进行时,但A不是进行是.因为它不是BE-V ING 结构.至少动词后面没有加ING啊