In ""the fly"" what change does the poet mark by starting a new stanza at line 5

In the fly, blake marks a change of voice in line 5 - while in the first stanza, he considers the fly itself and its action, in the following stanzas, he reflects on his own life

The poet starts talking about himself in the fifth line.

Explanation:

The fly is a poem by English poet William Blake, and it was published in 1794.

In the poem, the first stanza (that includes 4 lines) talks about the fly and sets the time of the year (summer.) After that, the last 3 stanzas talk about the poet and how he contrasts his own life with the fly, which is literally mentioned in the last stanza when the speaker says "Then Am I/A happy fly."