we cleaned the house before they arrived

limpiamos la casa antes de que llegaran

we cleaned the house before they arrived

phrase

1. (short or defined period of time)

a. limpiamos la casa antes de que llegaran

We cleaned the house before they arrived because it was a wreck.

Limpiamos la casa antes de que llegaran porque era un desastre.

2. (long or undefined period of time)

a. limpiábamos la casa antes de que llegaran

Whenever my grandparents visited us, we cleaned the house before they arrived.

Cuando mis abuelos nos visitaban, limpiábamos la casa antes de que llegaran.