Looking on the internet deeply has found these results:

i am finished is the most popular phrase on the web.

i have finished 114,900,000 results on the web	i am finished 1885,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I have finished adjusting the interface. I have finished my story of Joan of Arc that wonderful child, that sublime personality that spirit which, in one regard, has had no peer and will have none. This is Dr. Isles. I have finished my external examination. I have finished on that point, Mr President. Confess! I have finished confessing. It's just that I have finished everything for today. I have finished, and there is no need for you to use your gavel. And it is strange, I have finished, Mr President...	I am finished hiding. I am no longer holding back. I am finished with mystery and I want full disclosure. Gideon was wrong. I am finished here. Without you I am finished, try again. But I am finished with her. But I am finished with you, Percival. It's adios, I am finished. If Sheila starts working again, I am finished.

i have finished

114,900,000 results on the web

i am finished

1885,000,000 results on the web

More popular!

I have finished adjusting the interface.
I have finished my story of Joan of Arc that wonderful child, that sublime personality that spirit which, in one regard, has had no peer and will have none.
This is Dr. Isles. I have finished my external examination.
I have finished on that point, Mr President.
Confess! I have finished confessing.
It's just that I have finished everything for today.
I have finished, and there is no need for you to use your gavel.
And it is strange, I have finished, Mr President...