“the other was a softer voice, as soft as honeydew: quoth he, ‘the man hath penance how would you end these lines from “the rime of the ancient mariner”?
a. sweeter still, more softly, more pleasant than a honey dew
b. and penance more will do
c. and nothing more had he to do
d. with his horse through pestilence had run

- "a nonrestrictive clause functions as a modifier to a noun (that is an object, person or concept). these clauses can be described by the following three options: it is set off by comas, it contains a subject and a verbs and it adds nonessential information to the sentence.

for example, in "here is bill gates, who confounded microsoft software company" we can identify "who confounded microsoft software company" as a nonrestrictive clause modifying the noun bill gates. this clause can be describes as a nonrestrictive clause because it is separated by a comma, it adds nonessential information to identify who bill gates is and it must contain both a subject (who) and a verb (confounded)."