Offer to write a positive letter. If someone approaches you about providing them a reference, first consider their request. If you have had a good experience with the person and can positively support their candidacy for a position, then offer to write them a positive letter.
A word or phrase (usually an adjective phrase, noun phrase, or pronoun) that follows a linking verb and describes or renames the subject of the sentence. Also called a subjective complement. In traditional grammar, a subject complement is usually identified as either a predicate nominative or a predicative adjective. word or phrase (usually an adjective phrase, noun phrase, or pronoun) that follows a linking verb and describes or renames the subject of the sentence. Also called a subjective complement. In traditional grammar, a subject complement is usually identified as either a predicate nominative or a predicative adjective.
fine adjective or adverb. It's an adjective functioning as a Predicative Complement. A Predicative Complement is a Complement of the verb that describes the Subject or Object. In this case it is describing the Subject. Predicative Complements can be noun phrases, adjective phrases and preposition phrases, but hardy ever - if ever at all - adverbs. The reason we use an adjective phrase here is that this phrase is describing a noun phrase. Modifiers of noun phrases are usually adjectives, not adverbs. Consider the following examples: I'm happy. I'm cold. I'm assiduous. *I'm happily. (adverb as PC, ungrammatical) *I'm coldly.