Subsequents and their relationship to antecedents

So many questions I’m asking tonight, but I have off because of Memorial Day, and I’m kind of bored. Is there any such thing as subsequents? I guess in my definition, a subsequent would be like an antecedent, but flipped the other way around in a sentence. For example, in the sentence “It won’t be the principal’s office you visit,” the noun that “It” refers to, the “office,” follows the pronoun, thus making “It” a subsequent. Is it possible that usage in this sense is allowed, or would this just be improper grammar? I promise I’m going to bed after this one. :smiley:

Heh, a grammar question and I can’t even use it correctly. “Are there any such things as subsequents?”