The subject specialist demonstrates how they would go about identifying nouns, verbs, and adjectives in a sentence. Is this an example of the "we do part" or "you do part" or "I do part" of a lesson

This is an example of the "I do" part of a lesson. The subject specialist is taking the lead and demonstrating to the students how they would identify nouns, verbs, and adjectives in a sentence. The students will observe and learn from the specialist's approach and explanations.