Sentence:  In the process, as substantial numbers of black speakers underwent decreolization, their decreolized speech, although technically a mimolect, would have much of the surface form and therefore social status of a true <WSD>matrilect</WSD>, and would itself then serve as an additional model for those speakers further behind in the decreolization process. 
Meaning of the word marked with <WSD> tags:  The language of the dominant local culture, in the situation where a pidgin or creole is formed from the language of the dominant culture and another outside introduced language.