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How to write a sonnet like shakespeare
Include 14 lines of equal length.
The sonnet is known for its length : 14 lines exactly. There are many varieties of the sonnet form, but shakespearean sonnets are always 14 lines.
The quatrain is a poetic term for 4 lines of poetry that share a common sensibility, and usually share a rhyme scheme. The couplet is a poetic term for 2 lines of rhyming verse.