Looking on the internet deeply has found these results:

presumably I is the most popular phrase on the web.

I presumably 153,600 results on the web	presumably I 1147,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Donna, a few weeks ago, while presumably blackout drunk, I... Presumably I'm the condemned man, and obviously you're the hearty breakfast. Presumably so I can apologize to him. Presumably because I am the stronger. You baked me a cake, presumably so I may eat it. Presumably, while I'm away, you'll become senior partner? So, presumably, I was listening to a comedian on the radio the other day talking about the importance and reliability of getting to gigs. Presumably, I suppose, as a warning never to do it again.

I presumably

153,600 results on the web

presumably I

1147,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Donna, a few weeks ago, while presumably blackout drunk, I...
Presumably I'm the condemned man, and obviously you're the hearty breakfast.
Presumably so I can apologize to him.
Presumably because I am the stronger.
You baked me a cake, presumably so I may eat it.
Presumably, while I'm away, you'll become senior partner?
So, presumably, I was listening to a comedian on the radio the other day talking about the importance and reliability of getting to gigs.
Presumably, I suppose, as a warning never to do it again.