What is infinitive???

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is the form of an verb but dosen't act as a verb . it acts as a noun ,adjective, or adverb. the make up of to words . to + verb

Explanation:

Infinitive is used in writing to indicate the purpose of an action, as the subject of a sentence, or as the direct object of a sentence.

Examples

Action: She bought all the ingredients to cook tonight's dinner.

Subject: To run from the cops seemed foolish.

Direct Object: Everyone wanted to go.

basically add the word "to" before a verb

here is the answer its my picture of my notebook