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 25 rhymes may have been intended to be trisyllabic: "belovèd" and "removèd", although other editors (like John Kerrigan) prefer the standard 2-syllable pronunciations. This sonnet, as originally printed, departs from the English sonnet's typical rhyme scheme, "abab cdcd efef gg". Lines 9 and 11 (the expected "e" lines) do not rhyme. These lines in the Quarto of 1609 read (with emphasis added): <poem>The painefull warrier famoſed for worth, Is from the booke of honour raſed quite,</poem> No other lines in "Shakespeare's Sonnets" fail to rhyme, and Shakespeare's typical sonnet structure demands that these lines should rhyme with each other. Most editors