Sonnet 113 his outer vision false. Sonnet 113 is an English or Shakespearean sonnet. The English sonnet has three quatrains, followed by a final rhyming couplet. It follows the typical rhyme scheme of the form "abab cdcd efef gg" and is composed in iambic pentameter, a type of poetic metre based on five pairs of metrically weak/strong syllabic positions. The 11th line exemplifies a regular iambic pentameter: Indeed, all fourteen lines may be scanned regularly, excepting the final extrametrical syllables or "feminine endings" in lines 10 and 12: The meter demands a few variant pronunciations: Line 4's "effectually" functions as four syllables,
Sonnet introduced, such as CDCDCD. Petrarch typically used an ABBA ABBA pattern for the octave, followed by either CDE CDE or CDC CDC rhymes in the sestet. The symmetries (ABBA vs. CDC) of these rhyme schemes have also been rendered in musical structure in the late 20th century composition "Scrivo in Vento" by Elliott Carter, inspired by Petrarch's Sonnet 212, "Beato in Sogno".) In English, both the English or Shakespearean sonnet, and the Italian Petrarchan sonnet are traditionally written in iambic pentameter. The first known sonnets in English, written by Sir Thomas Wyatt and Henry Howard, Earl of Surrey, used the