It's been in use.这是什么时态,如何理解它的用法?
it's been是什么时态,
How's you been?It's been two months.这两句话正确吗?been的具体用法是?
has been 还有,解释一下has+been+过去分词的用法,是什么时态之类的.
it'been worth it中been的是什么用法?请帮忙分析一下这句话的语法
这句英文是什么用法?scientists have been finding that long-term use of
It's a pencil in English.这句话什么意思?它的问句是什么?
It's no use regretting what has been done.
my husbnad and i had been married 30 years. 如何理解用过去完成时的被动时态.
have been in的用法和意思是什么
Have you been corresponding with him?这句话是什么时态?什么用法呢?
It's been sold.中's是什么单词的缩写
has been in的用法