We entered another very dark room. When we closed the door flames of fire lit on the sides of the walls. The decorations and colors of the room were very striking. There were red, orange and purple colors. It seemed like a special festival. My father was so impressed by the diversity of colors and artifacts of that ancient civilization. Of course, since he is an archaeologist, he is always interested in these subjects.
Verbs ending in -ir that undergo stem changes in the present tense also under go stem changes in the preterite. These verbs have a stem change in the second person formal singular (usted), third person singular (él, ella) and third and second person plural (ellos, ellas and ustedes) forms.
