The document discusses Spanish verb conjugations in the preterit tense. It covers irregular verbs like "ser", "ir", "ver", and "dar" which have irregular stems and endings in the preterit. It also provides examples of how to conjugate regular verbs like "-ar", "-er", and "-ir" verbs in the preterit. Finally, it gives examples of filling in blanks with the correct conjugated verb in the preterit tense.