Why most questions in English get asked with 'would'? Grammar books say that it's used for making a polite request, but doesn't talk about the grammar of the 'would' part.
Do we have to answer questions asked with 'would' also with 'would' or could we use other structures as well? For example:
Would you tell me who that man is? Possible answers: I wouldn't know him, I won't know him. I don't know him, I cant tell you, etc.
Could all of the above be possible answers?