Readers identify meter by scanning each line of a poem, or marking each stressed syllable with an accent (') and each unstressed syllable with a horseshoe symbol (˘).
a sonnet consisting of three quatrains and a concluding couplet in iambic pentameter with the rhyme pattern abab cdcd efef gg
In a Shakespearean sonnet, three stanzas of four lines apiece have an abab/cdcd/efef rhyme scheme, followed by a two-line stanza with a gg rhyme scheme.