He has been doing

He has been doing 翻译句子：he has been doing nothing else ever since. has been doing 的用法 has been doing sth+介词 has been doing的问题, has been doing have been done区别 has been doing还是 has done he has been awake i has been doing 还是i have been doing have /has been doing 是什么句型啊 have/has been doing否定形式 —What has Tom been doing recently?