The Forms of the Gerund
von Владимир Солдатенко

1. Passive Voice
1.1. Indefinite Gerund
1.1.1. being V+ing:
1.1.1.1. being running
1.1.1.2. being opening
1.2. Perfect Gerund
1.2.1. having being running
1.2.2. having being opening
2. Active Voice
2.1. Indefinite Gerund
2.1.1. V+ing:
2.1.1.1. Running
2.1.1.2. Opening
2.2. Perfect Gerund
2.2.1. having V+ing:
2.2.1.1. Having running
2.2.1.2. having opening