In the sentence, "I am a teacher." "teacher" represents which function in the sentence?

1.predicate adjective
2.predicate noun
3.direct object
4.indirect object

Predicate Noun

Explanation:

A predicate noun, or predicate nominative, is a noun or noun phrase that provides more information about the subject of the sentence. It completes a linking verb, like "to be." Predicate nouns can only follow linking verbs because they're expressing a state of being, not an action.

either online or traditional classroom can work for students. which is better will depend on students and teacher. students may have trouble following a lesson in classroom while they can study at their own pace online. other students may have trouble staying focus on their own in online classes. teachers are more used to classroom teaching but they may also be more worry about their jobs teaching online classes and work harder.

it would be offer because the group is offering all at once.