Impersonal "Se" in Spanish
Check out these examples of the impersonal se.
While the above English translations contain one, they, or you, there is no obvious grammatical subject in Spanish. This lack of an obvious subject is a key part of impersonal se constructions; it's what makes them impersonal!
Impersonal Se Formation
In impersonal se constructions, verbs are always conjugated in the third person singular.
Impersonal Se Formula
se + verb in third person singular