Gerunds and Infinitives

Gerunds and Infinitives in English

Gerunds and infinitives are verb forms that function as nouns in a sentence. Understanding their usage is essential for constructing sentences correctly and expressing actions effectively.

Gerunds

Definition: A gerund is the -ing form of a verb that functions as a noun.

Formation: Verb + -ing

Examples:

  • Swimming is good exercise.
  • I enjoy reading.
  • Her favorite hobby is painting.

Usage:

  1. As the subject of a sentence:
    • Example: Running is fun.
  2. As the object of a verb:
    • Example: She likes dancing.
  3. After prepositions:
    • Example: He is good at singing.
  4. After certain verbs (e.g., enjoy, avoid, consider, etc.):
    • Example: I avoid eating junk food.

Common Verbs Followed by Gerunds:

  • enjoy, avoid, consider, discuss, dislike, finish, keep, mind, suggest, etc.

Infinitives

Definition: An infinitive is the base form of a verb preceded by “to.”

Formation: to + base verb

Examples:

  • To run is fun.
  • She wants to travel.
  • They decided to leave early.

Usage:

  1. As the subject of a sentence:
    • Example: To learn is important.
  2. As the object of a verb:
    • Example: He plans to study.
  3. To express purpose:
    • Example: I went to the store to buy groceries.
  4. After certain adjectives (e.g., happy, glad, eager, etc.):
    • Example: She is eager to start.

Common Verbs Followed by Infinitives:

  • want, decide, hope, plan, need, offer, learn, promise, seem, etc.

Special Cases

  1. Verbs that can be followed by both gerunds and infinitives, with a change in meaning:
    • Examples:
      • Remember:
        • Gerund: I remember meeting him (a memory of a past event).
        • Infinitive: Remember to meet him (a reminder for a future event).
      • Stop:
        • Gerund: He stopped smoking (he quit the habit).
        • Infinitive: He stopped to smoke (he paused in order to smoke).
  2. Verbs that can be followed by both gerunds and infinitives, with no significant change in meaning:
    • Examples:
      • begin, start, continue, like, love
      • She began singing. / She began to sing.

Exercise 1: Identify Gerunds and Infinitives

Determine whether the underlined verb is a gerund or an infinitive.

  1. She likes to dance.
  2. Running is good for health.
  3. He needs to study for the exam.
  4. They enjoyed swimming in the lake.
  5. She wants to travel the world.

Exercise 2: Complete the Sentences

Fill in the blanks with the correct form (gerund or infinitive) of the verb in parentheses.

  1. She decided __________ (go) to the party.
  2. I can’t help __________ (laugh) at his jokes.
  3. They plan __________ (visit) the museum.
  4. He enjoys __________ (play) chess.
  5. She is excited __________ (start) her new job.

Exercise 1

  1. Infinitive
  2. Gerund
  3. Infinitive
  4. Gerund
  5. Infinitive

Exercise 2

  1. to go
  2. laughing
  3. to visit
  4. playing
  5. to start

Summary:

  • Gerunds: Verb + -ing, functioning as a noun.
    • Usage: As subjects, objects of verbs, after prepositions, and certain verbs.
    • Examples: Swimming, reading, painting
  • Infinitives: to + base verb, functioning as a noun.
    • Usage: As subjects, objects of verbs, to express purpose, and after certain adjectives.
    • Examples: to run, to travel, to leave