Student or Learner
Please explain about "Gerund" briefly:
I need all rules in this regard with plenty of examples.
A couple of minutes with Google found these links, with all the rules and a legion of examples. Read them and let us know if there is anything you don't understand.
Verbals: Gerunds, Participles, and Infinitives
Gerund - Wikipedia, the free encyclopedia
English Grammar and Writing : English language courses, English Grammar Online
410 Grammar: Forming Gerunds
410 Grammar: Gerunds and Infinitives
You are welcome.