: Every grammatical system consists of three dimensions:

The Tense and Aspect SystemThe English verb system is perhaps the most complex system for learners. It is not merely about time (Past, Present, Future) but about aspect (how the speaker views the temporal flow of the event). The Tense System: Locates an event in time.

: Information that renames or describes the subject or object (The teacher is exhausted ).

Language isn't just words; it's an integrated structure of sound, meaning, and form. Internal Logic: Systems explain we use "do" in some questions but not others (e.g., Where does he live? Who lives here? Pedagogical Clarity:

For a language teacher, seeing grammar as a system helps move away from "it just sounds right" toward explaining

Views an action as ongoing, temporary, or incomplete (e.g., I am writing ).

Establishes a bridge between two time frames, usually looking back from a reference point to an earlier action.