remark on something
remark upon something

There was a much remarked upon contrast between the two.

So he had noticed her, enough to remark upon it.

He remarked upon the people present, with his comments being related to the situation in question.

Others have remarked upon the "resemblance" between the two now.

Not many people these days remarked upon the fact that he was an ape.

To this end, she always saw the best in everyone and remarked kindly upon it.

Still they became her very well, and when I remarked upon them, all she answered was that part of our road would be rough.

I'm a software developer and no one even remarked upon his death at work on Friday.

Some batteries are remarked upon as more than usually productive.

He remarks upon a more recent tenement across the street.