Phrasal Verbs with FOLLOW
to do something in addition to what you have already done
You should follow up your phone call with an email.
to try to get more information about something
The police are now following up some new leads.
to go to the same place as someone else at a later time
You go ahead. We’ll follow on later.
to follow someone everywhere they go
The little boy followed his mother around all day.
to do what needs to be done to complete something
He didn’t follow through with his promise to help.