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An infinitive is a verb form that is preceded by "to". It is made up of "to" and the base form of a verb. For example, "to run" or "to eat". An infinitive can function as a noun, adjective, or adverb. It can be used when discussing actions without actually doing the action.
For example, "I want to go home" or "To err is human".
Related Test: Professional Communication Skills Practice Test: Subject - Verb Agreement
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