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,
Caudate sonnet is one of many in which Hopkins experimented with variations on sonnet form. However, unlike the curtal sonnet, a Hopkins invention which is a 10½-line form with precisely the same proportions as a Petrarchan sonnet, his caudate sonnet is a full sonnet unmodified but with an extra six lines. Hopkins heightens the effect of the extension with an enjambment from the 14th line to the 15th. Hopkins explored the possibility of such a coda in a series of letters exchanged with Robert Bridges, from whom he learned of the centrality of Milton's example in the form. Though the intent of