The four types of tonal patterns of the metrical verse of four five-character lines have five rules to go by. And all the sixteen forms of metrical verses can be deduced from those five rules.

五绝的四种格式的平仄具有二字音步、平仄交错、粘对联系、出仄对平和音步重音等五条规律可寻，并可以根据这五条规律推导出格律诗的十六种格式。

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The sixteen interrelated forms of metrical verses can be simplified into four forms if this reduction in forms is centered on the metrical verse of four five-character lines.

格律诗十六种格式有着内在的联系，可以以五绝为核心简化为四种格式。

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