Final answer:
In English grammar, adverbial and female can't be a compound antecedent. The term 'adverbial' refers to adverbs, and 'female' is a noun. 'Them' can refer to multiple antecedents, however not in this specific scenario.
Step-by-step explanation:
This question pertains to grammar, specifically, the use of plural pronouns and antecedents. In English grammar, an antecedent is a word that is replaced by a pronoun in a sentence. A compound antecedent involves more than one word acting as the antecedent. It's important to remember that the antecedent must agree with the pronoun in number. However, placing an adverbial and female can't be a compound antecedent. The term 'adverbial' is a type of adverb, which typically modifies verbs, while 'female' would typically be a noun. These are not equivalent or parallel categories of words, so it would be odd to group them together as a compound antecedent. 'Them' can refer to plural antecedents, but it doesn't fit in this context.
Learn more about Compound Antecedents