Breakdown of He llenado el molinillo con más café, por si acaso el filtro no está lleno.
no
no, not
estar
to be (location/state)
el café
the coffee
con
with
más
more
por
for / by / through / in/during (part of the day)
haber
(auxiliary) have
si
if
llenar
to fill out / to fill (a space)
acaso
by chance / just in case (with 'por si')
lleno
full (general)
el filtro
the filter
el molinillo
the grinder
Questions & Answers about He llenado el molinillo con más café, por si acaso el filtro no está lleno.
Why does this sentence use both llenado and lleno?
The verb llenar (to fill) has two participle forms, which is exactly what this lesson covers. Llenado is the regular verbal past participle used with haber for compound tenses, like he llenado (I have filled). Lleno is the irregular adjectival form used to describe a state, which is why it pairs with estar in está lleno (is full).
Would it be wrong to say he lleno or está llenado?
Yes, those would generally be incorrect here. You cannot use the adjectival form lleno with haber. While you can technically say está llenado to emphasize the action of it being filled by someone (passive voice), when describing the physical state of the object, you must use the adjective lleno.
Why do we say he llenado... con más café instead of de más café? I learned that "full of" translates to lleno de.
You are right that the adjective lleno pairs with de, as in el filtro está lleno de café (the filter is full of coffee). However, when you use the active verb llenar (to fill), you generally use the preposition con to indicate the material you are using to perform the action of filling.
Why is está in the indicative mood after por si acaso? Doesn't "just in case" express a hypothetical scenario?
In Spanish, por si acaso (or simply por si) is almost always followed by the indicative mood. Even though it deals with a hypothetical situation, the phrase itself already handles the uncertainty, so the verb that follows just states the potential scenario as a plain fact. You only use the subjunctive after por si acaso if the possibility feels extremely remote or unlikely.
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