What does 'if you want to get fancy' mean?
Thanks in advance.
If you want to get fancy, you can say that an interrogative sentence is based on a declarative sentence.
If you want to be formal and use big words.
(Compare: Most questions are based on simple statements.)
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.