A gerund phrase is one of the most versatile constructions in English grammar. It consists of a gerund—a verb form ending in -ing that functions as a noun—along with its modifiers, objects, or complements. Gerund phrases can serve as subjects, direct objects, indirect objects, subject complements, and objects of prepositions. Understanding gerund phrases is essential for building varied, sophisticated sentences and for distinguishing them from participial phrases, which look similar but function differently.
Table of Contents
- What Is a Gerund?
- What Is a Gerund Phrase?
- Gerund Phrases as Subjects
- Gerund Phrases as Direct Objects
- Gerund Phrases as Subject Complements
- Gerund Phrases as Objects of Prepositions
- Gerund Phrases vs. Participial Phrases
- Gerund vs. Infinitive: Which to Use?
- Possessives Before Gerunds
- Verbs Followed by Gerunds
- Practice Exercises
What Is a Gerund?
A gerund is a verb form that ends in -ing and functions as a noun. While it looks identical to a present participle, it plays a completely different role in the sentence. A present participle functions as an adjective or as part of a verb phrase, while a gerund functions as a noun.
Gerund (noun): "Swimming is great exercise." (Subject of "is")
Present participle (adjective): "The swimming pool is open." (Modifies "pool")
Present participle (verb phrase): "She is swimming right now." (Part of progressive tense)
What Is a Gerund Phrase?
A gerund phrase includes a gerund plus any words that modify or complete its meaning—objects, complements, adverbs, or prepositional phrases. The entire phrase functions as a single noun.
"Swimming in the ocean every morning keeps her fit."
Gerund: "Swimming"
Prepositional phrase: "in the ocean"
Adverb phrase: "every morning"
The entire phrase is the subject of "keeps."
Gerund Phrases as Subjects
A gerund phrase can serve as the subject of a sentence, taking the position before the main verb:
"Reading books before bed helps me relax."
"Running a marathon requires months of training."
"Learning a new language opens doors to new cultures."
"Cooking Italian food is her greatest passion."
"Playing chess competitively demands intense concentration."
When a gerund phrase is the subject, the main verb should be singular because the phrase represents a single activity: "Eating fresh vegetables is important" (not "are").
Gerund Phrases as Direct Objects
Gerund phrases frequently serve as direct objects of certain verbs. They answer the question "what?" after the verb:
"She enjoys playing the piano in the evening." (Enjoys what?)
"I can't imagine living without music."
"He avoids eating junk food."
"They considered moving to a bigger city."
"We finished painting the house last weekend."
Gerund Phrases as Subject Complements
After a linking verb, a gerund phrase can serve as a subject complement, renaming or defining the subject:
"Her favorite hobby is collecting vintage stamps."
"The hardest part was saying goodbye to her friends."
"His job is teaching mathematics at the university."
"One effective remedy is drinking warm water with lemon."
Gerund Phrases as Objects of Prepositions
When a preposition requires a verb form as its object, you must use a gerund (not an infinitive). This is one of the most common uses of gerund phrases:
"She is interested in learning about astronomy."
"I'm tired of waiting for the bus every day."
"He succeeded by working harder than anyone else."
"Thank you for helping me with the project."
"She left without saying goodbye."
Rule: After any preposition (in, on, at, by, for, about, of, with, without, before, after, etc.), always use a gerund, never an infinitive. Say "interested in learning" (not "interested in to learn").
Gerund Phrases vs. Participial Phrases
Since both gerund phrases and present participial phrases begin with -ing words, they can look identical. The difference is their function:
| Feature | Gerund Phrase | Participial Phrase |
|---|---|---|
| Function | Noun | Adjective |
| Role | Subject, object, complement | Modifies a noun or pronoun |
| Can be replaced by | A pronoun (it, something) | An adjective |
| Example | "Singing loudly is fun." (= It is fun.) | "Singing loudly, she walked home." (modifies "she") |
The substitution test is the easiest way to tell them apart. If you can replace the -ing phrase with a pronoun, it's a gerund phrase (noun). If you can remove it without losing the sentence's core meaning, it's a participial phrase (adjective).
Gerund vs. Infinitive: Which to Use?
Some verbs take gerund objects, some take infinitive objects, and some take both (sometimes with a change in meaning). Here's a guide:
Verbs Followed Only by Gerunds
enjoy, avoid, finish, mind, suggest, consider, keep, practice, deny, risk, miss, delay, imagine, appreciate, quit, resist, postpone, recall, tolerate
"I enjoy reading." (Not "I enjoy to read.")
"She avoids eating sugar." (Not "She avoids to eat sugar.")
Verbs Followed Only by Infinitives
want, need, hope, plan, decide, agree, promise, refuse, expect, learn, appear, seem, offer, pretend, manage, afford, fail, tend
"I want to travel." (Not "I want traveling.")
"She decided to leave." (Not "She decided leaving.")
Verbs That Take Both (Same Meaning)
begin, start, continue, love, like, hate, prefer
"She started singing." = "She started to sing."
Verbs That Take Both (Different Meaning)
"I stopped smoking." (I quit smoking.) vs. "I stopped to smoke." (I paused in order to smoke.)
"I remember locking the door." (I recall doing it.) vs. "I remember to lock the door." (I don't forget to do it.)
"I tried opening the window." (I attempted it as an experiment.) vs. "I tried to open the window." (I attempted but maybe didn't succeed.)
Possessives Before Gerunds
In formal writing, use a possessive form (not an objective form) before a gerund when the doer of the gerund is expressed:
✓ Formal: "I appreciate your helping me."
✗ Informal: "I appreciate you helping me."
✓ Formal: "His arriving late caused problems."
✗ Informal: "Him arriving late caused problems."
In casual speech and informal writing, the objective form is widely accepted, but the possessive is preferred in academic and professional contexts.
Verbs Followed by Gerunds
Here is an extensive list of common verbs that require gerund objects:
| admit | avoid | consider | delay |
| deny | dislike | enjoy | escape |
| finish | forgive | imagine | involve |
| keep | mention | mind | miss |
| permit | postpone | practice | quit |
| recall | recommend | resist | risk |
| suggest | tolerate | understand | appreciate |
Practice Exercises
Identify the gerund phrase in each sentence and state its function:
- "Traveling to new countries broadens your perspective."
- "She enjoys painting watercolor landscapes."
- "His greatest fear is speaking in public."
- "Thank you for lending me your notes."
- "I can't stand waiting in long lines."
Answers: 1. "Traveling to new countries" — subject. 2. "painting watercolor landscapes" — direct object. 3. "speaking in public" — subject complement. 4. "lending me your notes" — object of preposition "for." 5. "waiting in long lines" — direct object.
Key Takeaway: Gerund phrases are -ing verb forms that function as nouns. They can fill any noun role in a sentence. Distinguish them from participial phrases by testing whether they can be replaced with a pronoun. After prepositions, always use gerunds, and learn which verbs require gerund vs. infinitive objects.