How do you think a child learns the ‘rules’ concerning these aspects of language? Or does crying do more harm than good? Is there something ‘special’ or ‘different’ about language, or is it just one...

How do you think a child learns the ‘rules’ concerning these aspects of language? Or does crying do more harm than good? Is there something ‘special’ or ‘different’ about language, or is it just one of many abilities that we have? What makes you think so?