"has never been completed" is grammatically correct and can be used in written English.
It is a sentence that uses the present perfect tense to indicate an action that started in the past and continues until now. Example: The construction of the bridge has never been completed, despite multiple attempts by the city council.
Staff emailed Bright Tribe saying: "The void above the ceiling has never been completed and is a fire hazard as it is completely open.
But that agreement has never been completed and is now threatening to come apart amid political discord.
Designed by Mayers, Murray and Phillip and completed in 1929...wait, that's not right, it has never been completed.
(APPLAUSE) For years Congress has required biometric entry-exit visa tracking systems, but it has never been completed.
The Yankees still owe Knoblauch $6 million for this year, and $18 million over two years for a contractual understanding that has never been completed.
Due to open in December 2009, and at 49-storeys high, the building has never been completed and may well now be demolished.
After all, the Biltmore was half-occupied and four of the 28 apartments had never been completed after a previous attempt at renovation.
Zdravko Mijailovic, who treated Mr. Milosevic at the military hospital in Belgrade in 2001, said, as quoted by the May 31 report, that important studies had never been completed, because of the patient's "lack of motivation".
In the survey respondents always stressed that although the deeds for houses and land that could prove their ownership had been taken away in political movements, the legal change of their ownership had never been completed.
The inquest was told the trust had not been aware of Ellie's historical suicide risk, a care plan had never been completed and there was no crisis plan.
The Corps also canceled an environmental impact statement, which had never been completed for the area.
