having+ved 如:having stood for many years 是什么时态?还是什么用法?
having+ved 如:having stood for many years 是什么时态?还是什么用法?
过去分词的时态问题(having Ved & Ved)求规律,
Having been 是什么时态
Though having lived abroad for years,many Chinese still ____
Though having lived abroad for years,many Chinese still___th
Having been used for many years,the bike needs repairing.
After having 是什么用法?
having seen是什么用法
Having been laid up for many years with paralysis for many y
having been done是什么时态?
be having 表示什么时态
有for many years 用什么时态?