An infinitive verb phrase consists of the base form of a verb preceded by the word “to.” It functions as a noun, adjective, or adverb in a sentence. Here are some key points:

Structure:

Form: “to” + base form of the verb (e.g., “to run,” “to eat,” “to play”).

Functions:

Noun: Acts as the subject or object of a sentence.

Example: To read is enjoyable.

Example: I love to swim.

Adjective: Modifies a noun.

Example: She has a lot of homework to complete.

Adverb: Modifies a verb, adjective, or adverb.

Example: He works hard to succeed.

Examples:

To learn is important. (Noun)

I have a book to read. (Adjective)

She studied hard to pass the exam. (Adverb)

Infinitive verb phrases are versatile and commonly used in English to express various actions and intentions.