Why do writers use parallel structure?

In the excerpt of puck’s speech shown here, how many couplets do you see? if we shadows have offended, think but this, and all is mended, that you have but slumber'd here while these visions did appear. and this weak and idle theme, no more yielding but a dream,

4. interpret how do the speaker's descriptions of and feelings about the wind change as the poem progresses? how does this shift show a change in the tone of the poem?

Myths often function as a connection to the , or the customs and beliefs, of a group of people.