Participle clauses | - | LearnEnglish
https://learnenglish.britishcouncil.org/.../participle-clausesParticiple clauses enable us to say information in a more economical way. They are formed using present participles ( going, reading, seeing, walking, etc.), past participles ( gone, read, seen, walked, etc.) or perfect participles ( having gone, having read, having seen, having walked, etc.).