- Quatrains: The first four stanzas, or quatrains, present a problem, question, or argument and develop it over the course of the poem. The rhyme scheme of the quatrains, ABAB CDCD, creates a sense of unity and coherence within each stanza.
- Couplet: The final couplet provides a resolution, conclusion, or summary to the poem. The rhyme scheme of the couplet, EFEF GG, adds emphasis and closure to the poem.
The structure of a Shakespearean sonnet allows for the development of a complex theme or idea over the course of the poem, with a clear resolution or turning point in the final couplet.