Can i play with you?
Yes, you can play wih me! (No, you cannot play with me)
Should we do it?
Yes, we should do it. (No, we shouldn't do it)
Must we translate this text?
Yes, we must translate this text. (No, we mustn't translate this text.)
May she take his pen?
Yes, she may take his pen (No, she may not take his pen)