Mā is interrogative; manaʿa is past; -ka is the object. An governs subjunctive tasjuda, while lā is additional under the book’s interpretation.
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Parsing the Allā Construction
Additional Particles: Seven Forms, Emphasis and Syntactic Case
Mā is interrogative; manaʿa is past; -ka is the object. An governs subjunctive tasjuda, while lā is additional under the book’s interpretation.