1. عرفهما أَو نكرن أَو عرفن

    للوصف أَو معموله وَلتعرِبَن

    Make both definite, or indefinite, or make definite

    the adjective or its governed noun; and do inflect

  2. معمولَه بضمة أَو كسره

    فَتحة تَبلغ ثَماني عَشره

    its governed noun with a nominative or genitive ending,

    or an accusative ending: you reach eighteen forms.

  3. يَقبح ما حذفت مِنهُ المضمرا

    أَو كانَ فيهِ مضمر تكررا

    Inelegant is a construction from which you omit the pronoun,

    or one in which a pronoun is repeated.

  4. وَنحوَ داجي شعره قَد وَردا

    نَثراً وَنَظماً فاترك المبردا

    And expressions like 'one whose hair is dark' are indeed attested,

    in prose and verse; so disregard al-Mubarrad.

  5. وَنصب شعره دليل الجر

    وَالنَصب في النَثر أَتى وَالشعر

    And the accusative of 'his hair' is evidence for the genitive;

    and the accusative occurs in prose and verse.

  6. وَيمنع اِثنانِ كَهِم بِالحَسَنِ

    عَذارُه لا بِالقَبيح ذَقنِ

    And two forms are forbidden, as in: 'Be enamored of the one fair

    of cheek, not the one ugly of chin.'