John has just developed the ability to convert a declarative sentence (e.g., "I like pizza") into both a question (e.g., "Do I like eating pizza?") and an imperative (e.g., "I must eat pizza!"). This would indicate that he now is aware of

Question

Quizplus · Accepted Answer

John's ability to convert a declarative sentence into a question and imperative suggests that he has developed an understanding of the transformational grammar, which involves the ability to produce different sentence structures from the same underlying meaning. This is a key aspect of Chomsky's theory of generative grammar, which posits that humans have an innate ability to understand and generate language using underlying rules and structures.

John Has Just Developed the Ability to Convert a Declarative