It follows the form's typical rhyme scheme, ABAB CDCD EFEF GG, and is written in iambic pentameter, a type of poetic metre based on five pairs of metrically weak/strong syllabic positions.
This poem is structured with a specific rhyme scheme (ABAB CDCD EFEF GG) and uses a particular poetic meter called iambic pentameter, which creates a rhythmic pattern in the lines.