Which sentence includes a gerund

She enjoys swimming in the ocean.

A sentence that includes a gerund is "I enjoy swimming in the ocean."

A gerund is a verb form that functions as a noun in a sentence, typically ending in "-ing". To identify a sentence that includes a gerund, you need to look for a verb form that is acting as a noun. Here is an example sentence:

"Running is my favorite form of exercise."

In this sentence, the word "running" is a gerund as it functions as a noun and is the subject of the sentence. To identify gerunds, look for verb forms ending in "-ing" that act as nouns in the sentence.