Sello la caja con cinta.

with

Breakdown of Sello la caja con cinta.

• la caja: the box
• la cinta: the tape
• sellar: to seal a parcel

Questions & Answers about Sello la caja con cinta.

Why is sello used here? Doesn’t sello also mean stamp or seal as a noun?

Yes. Sello can be:

• a noun: stamp, seal
• a verb form from sellar: I seal

In Sello la caja con cinta, sello is the first-person singular present form of sellar, so it means I seal or I am sealing depending on context.

Spanish often has forms that look identical as nouns and verbs, so the rest of the sentence tells you which one it is.

Why isn’t the subject yo included?

Spanish often omits subject pronouns because the verb ending already shows who is doing the action.

• sello = I seal
• so yo is not necessary

You could say Yo sello la caja con cinta, but it usually sounds more natural to leave yo out unless you want to add emphasis, contrast, or clarity.

For example:

• Yo sello la caja, y tú etiquetas los paquetes.
  = I seal the box, and you label the packages.

What exactly does la caja do in the sentence?