In this tutorial, we learn how to express "to be" in Spanish using ser, estar and haber. When expressing forms such as: am, are, was and were you will say "ser" and "estar" in Spanish. The verb "ser" should be conjugated for each of the different tenses that you are using. Often, "ser" is used to ask questions such as: where you are from, what nationality are you, and what things belong to someone. "Ser" is also used to indicate occupation, religion, political party, event locations, date, and time. With adjectives, "ser" usually indicated a permanent characteristic of a person being described. Such as, saying someone is short or someone is old.