A pidgin is a practical language used by two groups of people for a communication goal that immediate and practical. These languages are, by definition, incomplete and inadequate for normal social communication. Pidgins are based primarily on lexical items, and usually lack articles, prepositions, affixes, subordinate clauses, though some level of morphology is occasionally developed. Syntax is often, though not always, deployed in logical word order.
Pidgins are often share the following characteristics.
All creoles have remarkably similar grammars. He has some black book. Aspect developed over tense regardless of lending language. The assumption of acquisition studies is that there is always an adequate language to acquire, fully mastered by parents. The first generation of creole learners, therefore, must create a language from inadequate evidence.