The document discusses the Spanish imperfect tense, which is used to describe repeated or habitual past actions, ongoing past states, and background information. It provides examples of how the imperfect is used and explains how to form the imperfect of regular verbs and the irregular verbs ir, ver, and ser. Keywords that indicate the imperfect include siempre, a menudo, and varias veces. The imperfect of haber is había. The imperfect is distinguished from the preterite in that the preterite is used for single, memorable past events while the imperfect is used for repeated or habitual past actions.

1. Imperfecto

15. HABER there was, there were pretérito hubo there was, there were imperfecto había there is, there are presente hay MEANING TIEMPO FORMA