• A gerund phrase is a phrase that starts with a gerund, which is a verb form that functions as a noun. Gerund phrases can function as the subject, the direct object, or the object of a preposition in a sentence.

For example, take the sentence "He likes swimming." The word "swimming" is a gerund, and it functions as the direct object of the verb "likes." 

We can also say "He likes to swim," where "to swim" is a gerund phrase functioning as the infinitive of the verb "likes."

• Infinitives are verb forms that function as nouns, adjectives, or adverbs. 
• A gerund phrase can also be used as an adjective, as in the sentence "Swimming is good exercise."

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Examples of gerund phrases:

Here are some examples of gerund phrases used in sentences:

1. The teacher asked for suggestions for improving the class, so I suggested adding more interactive activities. (gerund phrase as subject of sentence)
2. I love swimming in the ocean. (gerund phrase as direct object of sentence)
3. After class, I usually go to the library to study. (gerund phrase as object of preposition)

Conclusion

As you can see, gerund phrases can be very versatile and can add interesting detail to your writing. So don't be afraid to use them!

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