<span>These nonessential elements, which can be words, phrases, or clauses, are set off with commas. Rule: Use commas before and after nonessential words, phrases, and clauses, that is, elements embedded in the sentence that interrupt it without changing the essential meaning.</span>
Do you know, what punctuation marks are? Punctuation marks are symbols that indicate the structure and organization of written language; as well as intonation and pauses to be observed when reading aloud. Full stop, comma, semicolon. question mark etc are punctuation marks.
I don’t really understand what you have to do
A. offer to send Old Yeller away to live on his own
A memoir is a sharing of perspectives on one's own life.