Looking on the internet deeply has found these results:

I appreciate is the most popular phrase on the web.

i appreciated 11,300,000 results on the web	I appreciate 163,700,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I appreciated your speech, Commissioner, because you succeeded in summarising the various issues. I appreciated the inscription about the benefits of prayer It's dense but I appreciated it. It been a difficult week and you've standing by me. I appreciated it. And you were always really polite to me, which I appreciated, but then as soon as you could manage it, you'd... Thank you, I appreciated your support. And even though I appreciated his help... I didn't believe her, but I appreciated it.	Still... I appreciate your company. I appreciate your respect, son. But I appreciate your help treating my patients. I appreciate the concern, Wizard. I appreciate your efforts, Nathaniel. I appreciate you letting me crash your hike. I appreciate what you've done for my wife... I appreciate you trying to help...

i appreciated

11,300,000 results on the web

I appreciate

163,700,000 results on the web

More popular!

I appreciated your speech, Commissioner, because you succeeded in summarising the various issues.
I appreciated the inscription about the benefits of prayer
It's dense but I appreciated it.
It been a difficult week and you've standing by me. I appreciated it.
And you were always really polite to me, which I appreciated, but then as soon as you could manage it, you'd...
Thank you, I appreciated your support.
And even though I appreciated his help...
I didn't believe her, but I appreciated it.