I want to say it’s Ethos but I’m not 100% sure!
Predicate nominative is also popularly known as the predicate noun. It is a noun, a pronoun or any nominal that follows the linking verb and most of the time the form of the verb be. It links or completes the linking and change the name of the subject. It complements or completes the verb in the sentence. However, predicate nominative completes only linking verbs. Predicate nominative can be compound while some do not have one. Therefore in the sentence "Sugar is the main ingredient in taffy", the predicate nominative is "ingredient".
I’m not exactly sure what you mean but from the definition on a high quality program it says “teachers engage children with learning strategies that are tailored to the age of the child and use and appropriate curriculum to structure the learning experience.”