This lecture sheds light on the use of gerund. Gerund, without any doubt, functions like a noun in a sentence so it can be used as a subject, object, complement etc. in this lecture, it's clearly elucidated with comprehensible examples. Along with that those who confuse with present participle and gerund will be able to differentiate between gerund and present participle after watching this lecture.
Approximately all functions of a gerund are discussed here with graspable examples.