Which one is better? Or both are correct?
(1)Their hobby is not drawing.
(2)Their hobbies are not drawing.
Since drawing is the thing they don't like together, using singular would make more sense. Please share your ideas.
Their hobbies do not include drawing would be a more clear way to say this.
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.