SUBJECT: ENGLISH LANGUAGE
CLASS: JSS 2
TOPIC: FINITE AND NON-FINITE VERBS
Introduction to Verbs
In our previous lessons, we defined a verb as an action word or a state of being. However, to master the English language, we must understand that verbs perform different roles depending on how they are used in a sentence. One of the most important ways to categorize verbs is by looking at whether they are Finite or Non-finite.
Understanding the difference between these two types of verbs is crucial for building correct sentences, ensuring subject-verb agreement, and mastering different tenses.
Core Concepts
1. Finite Verbs
A finite verb is often called the "main verb" or the "complete verb" of a sentence. The word "finite" means limited or bound. In grammar, a finite verb is "limited" by three main factors: the subject, the number of people performing the action, and the tense (time).
A finite verb is the engine of a sentence. Without a finite verb, a group of words cannot be a complete sentence. It tells us who is doing the action and when the action is happening.
Characteristics of Finite Verbs:
- Subject-Verb Agreement: Finite verbs change their form based on whether the subject is singular (one) or plural (more than one). For example, we say "He eats" but "They eat."
- Tense: Finite verbs change to show when an action happened. For example, "I go to school" (present) vs. "I went to school" (past).
- Person: They change based on the person (1st, 2nd, or 3rd). For example, "I am" but "She is."
Examples of Finite Verbs in Sentences:
- Chidi plays football every Saturday. (Present tense, singular subject).
- The students played football yesterday. (Past tense).
- I am a student of JSS2. (Present tense, first person).
2. Non-Finite Verbs
Non-finite verbs are the opposite of finite verbs. They are "not limited" by the subject, number, or tense. This means that no matter who is performing the action or when it is happening, the non-finite verb stays the same.
A non-finite verb cannot stand alone as the main verb of a sentence. If you try to use a non-finite verb as the only verb, the sentence will feel incomplete. For example, "Amina to cook rice" is incorrect; it needs a finite verb like "wants" to make it "Amina wants to cook rice."
Types of Non-Finite Verbs:
There are three main types of non-finite verbs that you should know:
-
The Infinitive: This is the base form of a verb, usually preceded by the word "to."
- Example: to eat, to run, to study.
- Sentence: They like to swim. (Even if we change it to "He likes to swim," the word "to swim" does not change).
-
The Gerund: This is a verb ending in "-ing" that acts like a noun.
- Example: Swimming, Reading, Cooking.
- Sentence: Reading is my hobby. (Here, "reading" is the subject of the sentence).
-
The Participle: These can be Present Participles (ending in -ing) or Past Participles (ending in -ed, -en, -t, etc.). They often act like adjectives or work with helping verbs.
- Example: The crying baby (Present participle acting as an adjectives
Key Points: Differences at a Glance
To help you distinguish between the two, look at this breakdown:
- Function: Finite verbs act as the main verb/action. Non-finite verbs act as nouns, adjectives, or adverbs.
- Tense: Finite verbs show tense (past, present, future). Non-finite verbs do not have a tense of their own.
- Agreement: Finite verbs must agree with the subject. Non-finite verbs never change their form regardless of the subject.
- Requirement: Every complete sentence must have at least one finite verb. A sentence can exist without a non-finite verb.
Contextual Examples
Let us look at sentences that contain both finite and non-finite verbs to see how they work together.
Example 1:
"The teacher wants to mark the scripts."
- Wants: This is a Finite Verb. It is in the present tense and agrees with the singular subject "The teacher." If the subject were "The teachers," it would change to "want."
- To mark: This is a Non-finite Verb (Infinitive). It does not change even if we change the tense or the subject.
Example 2:
"Barking dogs seldom bite."
- Barking: This is a Non-finite Verb (Present Participle). It is describing the dogs (acting like an adjective).
- Bite: This is a Finite Verb. It is the main action of the sentence.
Example 3:
"Obi enjoyed singing in the choir."
- Enjoyed: This is a Finite Verb. It tells us the action happened in the past.
- Singing: This is a Non-finite Verb (Gerund). It acts as the object of the verb "enjoyed."
Summary
In this lesson, we have explored the two major categories of verbs based on their grammatical constraints.
- Finite Verbs are the "working" verbs that change their form to match the subject and the time of the action (tense).
- Non-finite Verbs are flexible verbs that do not change their form. They are categorized into Infinitives (to + verb), Gerunds (verb + ing acting as a noun), and Participles (acting as adjectives or parts of a verb phrase).
