Supposing "compound" means "conjoined", use the same case for the two pronouns that are conjoined. "He and I" might be okay, with both forms subjective, or "him and me" might be okay, with both forms objective. But "he and me" or "him and I", with one subjective and one objective form, will probably count as mistaken in every variety of English.
In informal colloquial English, conjoined pronouns are always objective. In formal or archaic English, the pronouns are the same as would be used for a simple, unconjoined pronoun.
Pronouns in the objective case; they are her, him, me, them, us, it, and you. Whom can be an objective pronoun as well.
any time a pronoun follows a preposition ("I" and "me" are pronouns, "for" is a prep.) it is in the objective case because it is the object of the preposition. Objective case pronouns are: me, you, him, her, them, us. Nominative case pronouns are used as the subject of a sentence (the person or people acting out the verb) and are: I, you, he, she, they, we. Hope this helps!
Pronouns used as direct objects in a sentence must be objective pronouns.The objective personal pronouns: me, him, her, them.The personal pronouns that are subjective or objective: you, it.
In English, the nominative case functions as the subject of a verb or as the complement of a linking verb. The nominative case personal pronouns are: I you he she it we you they
The subjective case pronouns function as the subject of a sentence or a clause.The subjective personal pronouns are: I, you, he, she, it, we, they.Examples:I saw this movie before. (subject of the sentence)The train that he took was late. (subject of the relative clause)Jane, you are a good friend. (subject of the sentence)She made the kind of cookies we like. (subject of the dependent clause)John finished his homework and he went to bed. (subject of the second half of the compound sentence)
When using pronouns it is important to have the correct:number (singular or plural)gender (male, female, neuter, or common gender)case (subjective or objective)
"I, he, she, we, they, who" are pronouns used in the subjective case.
The pronouns in the nominative case you would use: he, she, it, they The pronouns in the Objective case: him, her, it, them, The pronouns in the Possessive case: his,her, hers, it, their, theirs
Pronouns in the objective case are used as the object of a verb or the object of a preposition. The objective case pronouns are: me, us, you, him, her, it, and them.Examples:We saw him at the movie. (the pronoun 'him' is the object of the verb 'saw')She gave the books to them. (the pronoun 'them' is the object of the preposition 'to')
Pronouns used in the subjective case typically include "I," "you," "he," "she," "it," "we," and "they." These pronouns are used as the subject of a sentence, indicating who or what is performing the action.
Ambiguity: Using pronouns without clear antecedents can confuse the reader about who or what the pronoun refers to. Agreement: Pronouns must agree in number and gender with the nouns they replace. Mismatched pronoun agreement can disrupt the flow of a sentence. Case: Using pronouns in the wrong case (subjective, objective, possessive) can result in grammatically incorrect sentences.
The subjective case is a grammatical case that refers to the subject of a sentence. It is used for pronouns like "I," "you," "he," "she," "it," "we," and "they" when they are performing the action in the sentence.
Pronouns in the objective case; they are her, him, me, them, us, it, and you. Whom can be an objective pronoun as well.
Pronouns in the objective case are used as the object of a verb or the object of a preposition. The objective case pronouns are: me, us, you, him, her, it, and them.Examples:We saw him at the movie. (the pronoun 'him' is the object of the verb 'saw')She gave the books to them. (the pronoun 'them' is the object of the preposition 'to')
Pronouns in the nominative case are used as the subject of a sentence or a clause; also called subjective pronouns.
Pronouns in the objective case can function as direct objects, indirect objects, and objects of prepositions in a sentence.
You can determine the pronouns used in a sentence by identifying the words that replace nouns and refer to people, places, things, or ideas. Common pronouns include he, she, it, they, we, and you. Pay attention to these words in the sentence to identify the pronouns being used.