Best Platform to learn English
"When we use preposition ‘to’ before any base form of verb, it is called Infinitive Verb. The phrase 'to be' is acting as the subject of the sentence."
In a sentence if Infinite Verb is to be used, it is a Normal Verb, which come first and then second is Infinitive Verb.
Here are some Infinitive Verbs: to love, to eat, to run, to believe, to follow, to laugh, to stare, to wonder, to walk, to cook, to understand, to make, to have, to hold, to sleep, to dream etc.
An infinitive is a verbal that can function as noun, adjective, or adverb. It is formed by using "to" + the verb.