what is non finite verb?

A non-finite verb is a verb that does not show tense, person, or number and cannot act as the main verb of a sentence by itself. It is usually used along with a finite verb.

Types of Non-Finite Verbs:

1. Infinitive – to + verb
   Example: She likes to read.

2. Gerund – verb + ing used as a noun
   Example: Swimming is good exercise.

3. Participle – verb form used as an adjective
   Example: The crying baby needs attention.

Examples in Sentences:

• I want to learn English.

• Reading books improves knowledge.

• The broken window was repaired.

In simple terms: A non-finite verb is a verb form that does not indicate time or subject and functions as a noun, adjective, or part of a verb phrase.