Why is it helpful to examine the tone of a sonnet?

Determining how the poet feels about the subject of the sonnet is the main purpose of interpretation.
Identifying the tonal patterns of rhyme and rhythm in a sonnet enables readers to correctly interpret it.
Determining the speaker's attitude toward the topic of a sonnet is essential to an accurate interpretation.
Identifying the emotional impact the sonnet has on the reader or listener allows readers to interpret it accurately.

All of the above options are correct. Examining the tone of a sonnet is helpful because it allows readers to determine the poet's feelings, understand the tonal patterns, identify the speaker's attitude, and interpret the emotional impact of the sonnet. By understanding the tone, readers can gain a deeper understanding of the poem and its intended message.