because an infinitive phrase is the word "to" and then a verb so to run (verb) is an infinitive phrase
"To run" is an infinitive because it is the base form of the verb without any tense or subject attached to it. Infinitives are commonly used after certain verbs or as subjects, complements, or objects in a sentence.
The infinitive is formed from the present stem, often but not always with the infinitive marker to. In the sentences We like to run and We cannot run, the verb run is in the infinitive.
An infinitive is a verb form that typically starts with the word "to" (e.g., to run, to jump). An infinitive phrase is a group of words that include an infinitive along with its modifiers or complements (e.g., to read a book, to visit the museum).
The infinitive is the base form of a verb before it is conjugated. It usually begins with "to" in English (e.g., "to run," "to eat").
An infinitive word in grammar is the base form of a verb preceded by "to," such as "to run" or "to eat." It is used to express purpose, intent, or future action in a sentence.
An infinitive is to + simple form of a verb. It often acts as a noun, adjective, or adverb. Because of this, an infinitive is never the main verb in a sentence.The dog has been locked in the house all day. She wants to run in the yard.
The infinitive is formed from the present stem, often but not always with the infinitive marker to. In the sentences We like to run and We cannot run, the verb run is in the infinitive.
It can be. To run is the infinitive form of the verb. It can be a noun, adjective or adverb. Examples: I was almost ready to run. - infinitive to run modifies adjective "ready" He left the senate to run for president. - infinitive to run modifies the verb "left"
The infinitive phrase plays the role of an adverb in this sentence. It tells why you met at the park. In the sentence "You met at the park to run", "to run" is the infinitive phrase.
To + base form of a verb = an infinitive. Examples: to run, to jump, to catch, to be, to see, to feel.
infinitive: run past: ran past participle: run
Adverb
An infinitive is a verb form that typically starts with the word "to" (e.g., to run, to jump). An infinitive phrase is a group of words that include an infinitive along with its modifiers or complements (e.g., to read a book, to visit the museum).
The infinitive is the base form of a verb before it is conjugated. It usually begins with "to" in English (e.g., "to run," "to eat").
"You" is the subject. What did you do? you met. "Met" is the verb. "at the park" is a prepositional phrase (where did you meet?). You met to do what? You met to run. So "to run" becomes the direct object of the sentence.
adverb
An infinitive word in grammar is the base form of a verb preceded by "to," such as "to run" or "to eat." It is used to express purpose, intent, or future action in a sentence.
An infinitive is to + simple form of a verb. It often acts as a noun, adjective, or adverb. Because of this, an infinitive is never the main verb in a sentence.The dog has been locked in the house all day. She wants to run in the yard.