The part of a story in which the conflict is introduced and expanded upon us is known as exposition.
Exposition is a part of the story plot that gives the reader background information including the setting, events, characters, main conflicts, and backstories.
Exposition is very important to each story because it includes the characters and setting information of the literature.
There are several methods to present the exposition including speeches, dialogues, journals, letters, articles, newspapers, etc.
The sentence in which the underlined infinitive phrase functions as a subject is the last one - to quickly move large groups of people is the purpose of public transportation. <em>To quickly move </em>is the infinitive phrase, and it is a subject.
