Looking on the internet deeply has found these results:

Manufacturing has already started. is the most popular phrase on the web.

Manufacturing is already started. 14 results on the web	Manufacturing has already started. 18,380 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Come on, it's already started. I think my vacation's already started. The school year's already started. And the countdown's already started. In order to cancel the disbandment, he has already started. World War ill has already started. Actually, I've already started. And I'm telling you, the avalanche has already started.	Circumstances have dictated that the vote has already started. World War ill has already started. Of course the ceremony has already started. And I'm telling you, the avalanche has already started. That the show has already started. In order to cancel the disbandment, he has already started. He did so to avoid overlaps with the 2002 Commission discharge, on which the work has already started. If you're viewing this, Round 6 has already started.

Manufacturing is already started.

14 results on the web

Manufacturing has already started.

18,380 results on the web

More popular!

Circumstances have dictated that the vote has already started.
World War ill has already started.
Of course the ceremony has already started.
And I'm telling you, the avalanche has already started.
That the show has already started.
In order to cancel the disbandment, he has already started.
He did so to avoid overlaps with the 2002 Commission discharge, on which the work has already started.
If you're viewing this, Round 6 has already started.