The phrase "acknowledge that it has" is correct and usable in written English.
You can use it when discussing recognition or acceptance of a fact or situation that has occurred.
Example: "The committee must acknowledge that it has made mistakes in the past to move forward effectively."
Alternatives: "recognize that it has" or "admit that it has".
It is possible to believe in capitalism passionately, or simply be resigned to it as the only viable system, but also acknowledge that it has its own dark shadows and complicities with murderous episodes in human history.
The first step in this direction is to publicly acknowledge that it has got its priorities mixed up and to ask the public for forgiveness.
The campaign, which began early this year, has drawn 512 members, but its leaders acknowledge that it has failed to gain much political traction nationally for its claim that the occupation is corrupting Israeli society.
So while Blair – shamelessly and more than a decade late – tells us that the "single currency's design flaw was that it was motivated by politics, delivered in economics", he seems unable to acknowledge that it has not even succeeded in its own, political, terms.
The Court must either hold that the Suspension Clause has "expanded" in its application to aliens abroad, or acknowledge that it has no basis to set aside the actions of Congress and the President.
Photoshop, of course, is among the most pirated applications and while Morris stressed that the subscription service shouldn't be seen solely as a way to combat piracy, he did acknowledge that it has the potential to help Adobe with its piracy problem.
The company hasn't disclosed the size of its faceprint repository, but it does acknowledge that it has more than 250 billion user-uploaded photos — with 350 million more uploaded every day.
Those killings and Mr. Calderón's blunder — he was in Japan at the time and later blamed mistaken information for his error — prompted the government to shift course after three years of its military-led crackdown on drug cartels and acknowledge that it has to involve citizens in the fight and deal with the social breakdown fueling the violence.
Yet both characters acknowledge that it has brought them closer.
Business owners here acknowledge that it has been for the most part a good summer.
Critics of the pipeline agency acknowledge that it has made some improvements.
