ferry someone around
to transport people here and there in small groups. I really don't want to spend all my days ferrying children around. Why am I ferrying around a bunch of kids all day?
ferry someone or something across something
and ferry someone or something acrossto transport someone or something across a river on a ferryboat. Can we get someone to ferry us across the lake to the island? After they ferried across all the cars, they closed the ferryboat down for the night.