However, no record of him seems to exist after that time.

However this does not seem to exist in the model.

Too often, large, successful programs seem to exist in a world of their own.

Or a few hours, time didn't seem to exist for a moment.

You seem to exist in both places at the same time.

A person who didn't seem to exist as a human being.

She did not seem to exist for him as a human.

At that moment, no one else in the room seemed to exist for him.

What I am now, seems to exist beyond the natural order of things.

And then there are the issues for which no paper seems to exist.