has been a后面加什么

have been a可以接现在完成时，还可以接正在进行时，或者接现在完成时的被动语态；

has been a 一直以来；

been

v. 曾经到过(某地)；

are的过去分词;be的过去分词

There has been a high uptake of the free training.

免费培训有很多人参加。

There has been a big input of resources into the project from industry.

工业界对这个项目投入了大量资源。

There has been a move away from nuclear energy.

人们对于原子能的看法已经转变。

Every one of their CDs has been a hit.

他们的每一张激光唱片都曾经非常流行。

There has been a lot of advance publicity for her new film.

她的新电影尚未上映即大加宣传。