it is not a matter of inference
the reason for Tan believing that "nonstandard English is no less valid than standard English" is related to the fact that Standard English’ was considered as a form of the English language, universal or common in the nineteenth century. By the 1930s, however, it was associated with social class and was seen by many as the language of the educated. On the contrary, speakers from lower classes in the past and today, tend to use nonstandard dialect features because they are more likely to have left education earlier, have non-professional jobs and have no need to associate themselves with a ‘prestige’ way of speaking.
D. She called us My Boys and that really meant something to us
Our attitudes toward the past and future shape our actions by the outcomes of our actions. For example, if you are nice and give a helping hand when needed, you will be rewarded with kindness back. Your actions in the past always affects your future. I hope this was what you were looking for