Speak to each other in Spanish as much as possible.Hablen en español tanto como sea posible.
An intransitive verb phrase is a phrase that combines a verb with a preposition or other particle and does not require a direct object (e.g., Everybody please stand up.).
Even though they are married, they speak to each other formally when they are at work.Aunque están casados, se hablan de manera formal cuando están en el trabajo.