Someone in the water with a float (mangi-) floats someone or something (i-) to transport him/it.
also to help teach someone to swim
Ipātaw mo si īkit pakaraya do aptan, ta chapatak nabaw mayawat.
Float aunty to get to shore, because she cannot swim.
nagpatawan
Something that floats and used to float on.
Iyaw nwanaw nagpatāwan ko kaychi.
That yonder floating-thing was what I floated on earlier.