Always winning an argument is never a desireable goal.
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.
The infinitive phrase is "to join the circus" (an adverbial phrase).
"to finish your test" is the infinitive phrase.
Lisa wants to go quickly.
"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.
noun, adjective, and adverb
(to finish)
To help you
gracefully
To help you
The simple subject of the sentence is "it", in apposition to the infinitive phrase "to have money". Also, since the initial infinitive phrase ("to buy a car") is adverbial, it should be followed by a comma.
it is an infinitive phrase.