he has been falling asleep .请问这句话对吗?可以用来表示他已经睡了这个意思吗?

he has been falling asleep .请问这句话对吗?可以用来表示他已经睡了这个意思吗? It has been 3 years since he smoked.为什么这句话的意思是他不吸烟已经三年了? the price of the vegetables has been increasing 这句话对吗.可以这么用吗 他说过他去过北京两次这句话用英语翻译He said he has been to Beijing twice.这句对吗? He has been sick for three weeks． 他已经病了几周了 反义疑问句 He has been to china,hasn't he?这句话对吗 he has nearly been every country想问一下,这句话对吗,是不是和这句He has alre He has been staying there for ten days.这句话对吗? he has been ill for a week a month ago 这句话对吗? 为什么she has been to school表示“她上学去了“,不是have been to 表示已经回来了吗? he has gone to beijing 的意思是他已经去北京了,和他已经到北京了有区别吗?、 他已经住在佛山十年了.英文是不是he has been lived in FoShan for 10 years