用过去完成时怎么写there be 句型用there be doing sth 的句型
问题描述:
用过去完成时怎么写there be 句型
用there be doing sth 的句型
答
There had been doing sth
用过去完成时怎么写there be 句型
用there be doing sth 的句型
There had been doing sth