The document provides an overview of the present perfect tense in English including its formation, examples of exceptions in spelling when adding "-ed", and an exercise asking the reader to fill in blanks with present perfect verbs. It begins with definitions of the present perfect tense and provides its positive and negative forms as well as question formation. It then lists exceptions in spelling when adding "-ed" such as dropping the final "e" and doubling final consonants. The document concludes with a 10 question exercise for the reader to practice using present perfect verbs.