The phrase "a documentary has been" is correct and usable in written English.
It can be used when discussing the existence or completion of a documentary in the present perfect tense.
Example: "A documentary has been released that explores the impact of climate change on coastal communities."
Alternatives: "a documentary was made" or "a documentary has been produced".
If a documentary has been written, it suggests that the film could be more artifice than fact based.
It's amazing to think that people watch our puppets all over the world, and now a documentary has been made about my life.
That story, which Mr. Abagnale referred to as "strictly a film based on a character -- myself -- but not a documentary," has been altered in several important ways.
She was recently pictured on a Wheaties box, and a documentary has been made on her often painful trip to the top.
The director is well known for his reluctance to interpret his own work but now a documentary has been doing the rounds at festivals that provides a close study of his work.
Their purpose and full extent remains unknown, but they have been under investigation in recent years by at least one local group and a documentary has been made.
The idea for a documentary had been kicking around for some time, said Sheila Nevins, HBO's executive vice president for original programming.
A controversial anti-vaccination documentary has been pulled from the Tribeca Film Festival lineup after it was met with fierce criticism, festival co-founder Robert De Niro announced on Saturday.
UNICEF Latin America and Caribbean is proud that this documentary has been awarded a prize in the education category, proving the successful impact of the initiative, which aimed at informing and educating the young audience about HIV prevention in an entertaining way.
Manik's statement was followed the the next day by a report on state media saying a screening of the documentary had been cancelled.
