The document discusses the present perfect tense in Dutch grammar. It explains that the present perfect tense is formed using "have/has" plus the past participle. It provides examples of regular and irregular past participles. It also explains that the present perfect tense is used to indicate an action that began in the past but is still ongoing or relevant to the present. It gives examples using time words like "for", "since", and "how long". Finally, it provides an exercise for the reader to practice using the present perfect and past simple tenses in sentences.