This document explains the present perfect tense. It indicates that the present perfect tense is formed using "have/has" plus the past participle of the verb. It is used to refer to actions that occurred at an unspecified time before now. The time of the action is not important. Examples are provided to illustrate using the present perfect tense to describe experiences without specifying times. An activity is presented asking the reader to write a crime scene report using 8 instances of the present perfect tense.