The document provides examples of how to use the present perfect, present perfect continuous, and simple present tenses in Spanish.
For the present perfect, it shows examples of using the verb haber conjugated in the present tense followed by the past participle of other verbs. For the present perfect continuous, it uses the verb haber conjugated in the present tense followed by the gerund (present participle) of other verbs.
The simple present examples demonstrate regular conjugations for -ar, -er, and -ir verbs in the third person singular and plural, as well as using the verbs ser and estar. Common uses like opinions, schedules, and habits are also outlined.