请问would be doing 和have been doing 有什么区别 两个的意思貌似都是过去一直在做某事啊
问题描述:
请问would be doing 和have been doing 有什么区别 两个的意思貌似都是过去一直在做某事啊
答
请问would be doing 和have been doing 有什么区别 两个的意思貌似都是过去一直在做某事啊