Sonnet 30 up of fourteen lines in three quatrains and a couplet, rhyming "abab cdcd efef gg". While using the rhyming and metrical structure of the 'English' or 'Surreyan' sonnet, Shakespeare often also reflected the rhetorical form of the Italian form also known as the Petrarchan sonnet. It divides the sonnet into two parts: the "octet" (the first eight lines) usually states and develops the subject, while the "sestet" (the last six lines) winds up to a climax. Thus a change in emphasis, known as the "volta", occurs between the end of the eighth and the beginning of the ninth lines —
Sonnet 71 him to mourn. This is particularly ironic considering that there are lines in other sonnets (e.g., Sonnet 18, Sonnet 55, Sonnet 65 and Sonnet 81) that speak of immortality through poetic verse, thus negating the possibility that one can be forgotten. These examples give credence to Peguiney's argument of a calculated attempt to invoke the youth's mourning, as he writes in his essay Sonnets 71-74, "The 'if' clauses at lines 5 and 9 are cunning invitations to future readings of the verse, and how impossible it would be for 'you [to] read this [handwritten] line' and 'remember not / The