what is the antoyms of refinery,navigate,schooner,and calypso
Not every word has an opposite.
I mean, really - is the opposite of ship with two masts a ship with four masts? Or is it a spaceship? Or is it lighthouse?
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.