有没有having been doing这样的呢?
有没有having been doing这样的呢?
to having been doing 和having been doing 的区别
doing的形式:doing,being done,having done,having been done有什么区别?
to have been doing 和 having been doing 有什么区别,重点是have 和having
如果有having been advertised呢
英语里面有没有这样的结构呢?be + n +in+doing?
有没有is said to have been doing的结构
有没有have been doing 这个时态?
with的复合结构中有没有with sth having been done的结构
regret doing与regret having done有什么区别呢?
having been doing表示主动么?
有没有这样的句型There be +名词+doing sth