had been doing sth信息详情

had been doing sth发音

意思翻译

一直在做某事

相似词语短语

had been───已经(过去完成时)

doing sth───正在做某事

had been done───过去完成时的被动语态

had been sold───已经被卖掉了

had never been───从来没有……(been是be的过去分词)

had been on───一直在

has been doing───到现在为止一直进行(现在完成进行时)

enjoying doing sth───喜欢做某事

appreciate doing sth───感激做某事

双语使用场景
英语使用场景