You're right. There are several standard questions and forms of questioning to which we often give the opposite answer from what we should. The most common one I hear is this:
"You don't mind if we come in, do you?"
To which, most people would answer, "Sure, come on in!" (But the answer should be in the negative -- "No, I don't mind.")
There are others like this. Idioms, I suppose.
For example, when people ask "We don't have to hand in the assignment right?"
Why do some people answer "No." (They meant the assignment does not have to be handed in.)
But if so, should the answer be "Yes." (Yes, that's right, we don't need to hand in the assignment.)
2 answers
Aha! This is a cultural thing! In Japanese, for example, the answer to that question would be: Yes = we do NOT have to hand it in but No = on the contrary, we DO! Actually, I think that makes sense! If the question is negative, YES should mean the negative and NO, the affirmative!
However, here in the U.S. most people will say "No, we don't."
Sra
However, here in the U.S. most people will say "No, we don't."
Sra