The document provides information on the present perfect and present perfect continuous tenses in English. It explains that the present perfect is used for actions that occurred at an unspecified time before now, while the present perfect continuous is used for situations that began in the past but are still ongoing. Examples of each tense are given, such as "You have seen that movie many times" for the present perfect and "She has been watching too much television lately" for the present perfect continuous. The document also discusses non-continuous verbs that cannot be used in the continuous tenses and instead take the present perfect.