After having 是什么用法?

After having 是什么用法? having seen是什么用法 After what do 是什么用法? after i having breakfast. after having是什么意思 动词+to have/having been done 是什么用法? He dreaded having to spend Christmas in hospital.having是什么用法 having+ved 如:having stood for many years 是什么时态?还是什么用法? Ashamed of having acted so rashly.这里的having是什么用法 after用法 sql中having用法 having done 用法