Pastebėjus Englisch:

She walked past him without even noticing him.

He went by me without noticing me.

He ran past without noticing her.

The state court effected unconstitutional legislation without the federal government noticing.

However, I can't help noticing, at this moment, that at first glance it seems inevitable that the shark will devour the man.

I shall try to take the ball without him noticing.