Looking on the internet deeply has found these results:

I'm not sure of it does he is the one is the most popular phrase on the web.

I'm not sure of does he is the one 1977,000,000 results on the web	I'm not sure of it does he is the one 11,020,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Well, I'm not sure I'm the one to be doling out relationship advice at the moment. I'm not sure one van could be classed as a "fleet". I'm not sure we're the ones that should be explaining how significant it is. Just... I'm not sure of the ones we took in the photo booth. Well, I'm not sure I'm the one who needs to apologize. Just... I'm not sure of the ones we took in the photo booth. I'm still not sure you're the one I should be doing it with.	I'm not sure we're the ones that should be explaining how significant it is. I'm not sure one van could be classed as a "fleet". Just... I'm not sure of the ones we took in the photo booth. Well, I'm not sure I'm the one to be doling out relationship advice at the moment. Just... I'm not sure of the ones we took in the photo booth. Well, I'm not sure I'm the one who needs to apologize. I'm still not sure you're the one I should be doing it with.

I'm not sure of does he is the one

1977,000,000 results on the web

I'm not sure of it does he is the one

11,020,000,000 results on the web

More popular!

Well, I'm not sure I'm the one to be doling out relationship advice at the moment.
I'm not sure one van could be classed as a "fleet".
I'm not sure we're the ones that should be explaining how significant it is.
Just... I'm not sure of the ones we took in the photo booth.
Well, I'm not sure I'm the one who needs to apologize.
Just... I'm not sure of the ones we took in the photo booth.
I'm still not sure you're the one I should be doing it with.

I'm not sure we're the ones that should be explaining how significant it is.
I'm not sure one van could be classed as a "fleet".
Just... I'm not sure of the ones we took in the photo booth.
Well, I'm not sure I'm the one to be doling out relationship advice at the moment.
Just... I'm not sure of the ones we took in the photo booth.
Well, I'm not sure I'm the one who needs to apologize.
I'm still not sure you're the one I should be doing it with.