Looking on the internet deeply has found these results:

I must confess that I did is the most popular phrase on the web.

I must confess that I've done it 12 results on the web	I must confess that I did 15,640 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Oct 28, 2011 ... But I must confess that I've done it once myself! (I truly hate myself for that). You want me to look at your products? Fine, either pay for decent�... Jun 10, 2015 ... MusicLandWeLove. Maybe if the person is dating a vampire�. I got my red wings ! I must confess that I've done it once. You don't even notice a�...	Jan 18, 2016 ... I must confess that I did something on Saturday that I would never normally do. It may have been due to the influence of a couple of glasses of�... Feb 1, 2016 ... ion and come to change the way I viewed nature and my place in it. I must confess that I did not read the entire book but enough to get a good. AS ONE of the contributors to the Social Text volume, I must confess that I did not initially detect Sokal's ruse. Instead, I was struck by how misplaced was his vast�... I must confess that I did something on Saturday that I would never normally do. It may have been due to the influence of a couple of glasses of celebratory wine.

I must confess that I've done it

12 results on the web

I must confess that I did

15,640 results on the web

More popular!

Oct 28, 2011 ... But I must confess that I've done it once myself! (I truly hate myself for that). You want me to look at your products? Fine, either pay for decent�...
Jun 10, 2015 ... MusicLandWeLove. Maybe if the person is dating a vampire�. I got my red wings ! I must confess that I've done it once. You don't even notice a�...

Jan 18, 2016 ... I must confess that I did something on Saturday that I would never normally do. It may have been due to the influence of a couple of glasses of�...
Feb 1, 2016 ... ion and come to change the way I viewed nature and my place in it. I must confess that I did not read the entire book but enough to get a good.
AS ONE of the contributors to the Social Text volume, I must confess that I did not initially detect Sokal's ruse. Instead, I was struck by how misplaced was his vast�...
I must confess that I did something on Saturday that I would never normally do. It may have been due to the influence of a couple of glasses of celebratory wine.