Wiktionary
follows up
vb. (en-third-person singular of: follow up)
Usage examples of "follows up".
So that, as reason leads the way and follows up these considerations, he advances rationally to those truths of which, without reason, he has no knowledge.
Even as the man falls, Dorrin automatically follows up with a second blow.
If he is victorious he follows up the vanquished in fierce pursuit.
He follows up with a smile that doesn't fool me and I'm damn sure it doesn't fool the good Doctor.
However, while she follows up on plotlines from Changer (we get to watch Shahrazad, Changer's daughter, growing up.
I'm also working on a novel which follows up the storyline I began in my short novel The Wallenstein Gambit, which is also contained in the Ring of Fire anthology.