Wrote a note on Willam shakespeare life​

How does the poem's mood and tone change in each of these stages of “o captain! my captain! ” by walt whitman? (i need an answer asap )

Which words indicate a text is written i the first-person? a. she, her, hers b. they, them, theirs c. he, him, his d. i, me, my

What functions as a reflexive pronoun in the sentence the professor herself wanted to attend the conference, but it was cancelled when she and several other presenters had to excuse themselves