In this video, we learn how to use compound tenses with "haber" and "estar" in Spanish. "I am speaking" would translate into "You estoy hablando". If you are talking about a girl eating, you would say "Ella esta comiendo". To say "they were writing letters", you would say "Ellos estaban escribiendo cartas". You will see the form of the verb changing in each of the sentences. You will also see the gender of the verb changing in each of the sentences, depending on who is being talked about. The word "have" is equivalent to "haber" in Spanish. To say "I have eaten" and "you have not eaten" you would say "Yo he comido" and "tu no has llamado".