Traditional sonnets follow a specific structure and rhyme scheme, while free verse does not.

Thomas Wyatt is credited with introducing the sonnet form to England in the 16th century.

The most common rhyme scheme in sonnets is known as the Shakespearean or English sonnet rhyme scheme.

William Shakespeare's Sonnets is widely regarded as one of the greatest sonnet sequences in English literature.

Love is the most common theme explored in sonnets, often expressed through the speaker's admiration and devotion to their beloved.

The Italian sonnet, also known as the Petrarchan sonnet, consists of two quatrains and two tercets.

The final couplet in a sonnet is often referred to as the coda.

Elizabeth Barrett Browning's sonnets, particularly those addressed to her husband Robert Browning, are known for their exploration of unrequited love.

The Spenserian sonnet consists of three quatrains and a final couplet.

The Miltonic sonnet follows a rhyme scheme of ABBAABBA CDECDE.

A sonnet written in iambic hexameter is known as a heroic sonnet.

John Donne's sonnets often explore the themes of mortality and the transience of life.

A sonnet written without a specific rhyme scheme or meter is known as a free verse sonnet.

The Shakespearean sonnet follows a rhyme scheme of ABBAABBA CDCDCD.

A sonnet written in a humorous or satirical style is known as a mock sonnet.