1- In the following sentence, what is the function of the infinitive phrase as a noun? “To smile at others brings joy to yourself.”

1- subject

2- direct object

3- object of a preposition

Explanation:

This is yourself

WE dont know what u like we cany write these

it is the background information on the characters and setting explained at the beginning of the story. the exposition will often have information about events that happened before the story began. the exposition is often the very first part of the plot.