Learn Hardcore Spanish (Spain): Pasa por mi casa después de la reunión.

Breakdown of Pasa por mi casa después de la reunión.

Why is pasa used here? Is this a command?

Yes. In this sentence, pasa is most naturally the informal singular command (the tú imperative) of pasar.

So Pasa por mi casa... means something like:

Spanish often leaves out the subject pronoun, so you do not need tú here.

A few related forms:

In context, pasa could also be present tense (he/she passes), but in this kind of sentence it is normally understood as a command/invitation.

Why is there no tú in the sentence?

Because Spanish usually does not include the subject pronoun unless it is needed for emphasis, contrast, or clarity.

So instead of saying:

Spanish normally just says:

This is especially common with commands. Adding tú would usually sound emphatic, and often unnecessary.

Why does it say por mi casa instead of a mi casa?