Which sentence includes a gerund?
1. Nash has been swimming since he was five years old
2. While swimming at the beach, Harper found a starfish
3. Swimming in the gulf is Finn's Favorite summer activity
4. Graham learned to dive at the community swimming pool
3. Swimming in the gulf is Finn's Favorite summer activity.
The sentence that includes a gerund is: "Swimming in the gulf is Finn's Favorite summer activity."
The sentence that includes a gerund is number 3: "Swimming in the gulf is Finn's favorite summer activity."
To identify a gerund, a form of a verb that functions as a noun, we look for a word ending in "-ing" that acts as the subject, object, or complement of a sentence. In this case, "swimming" is the subject of the sentence, serving as a noun referring to the activity of swimming.