How to recognize a gerund.
All gerund end in ing. However, all present participles also end in ing. What is the difference?
Gerunds function as nouns. Thus, gerunds can be subjects, direct objects, indirect objects, and objects of prepositions.
Here are examples of gerunds:
Since Helen was five years old, running has been running passion.
Running = subject of the verb has been.
Helen enjoys singing more than anything
Singing = direct object of the verb enjoys.
Helen gives singing lesson with a lot of energy.
Singing = indirect object of the verb gives.