رَأَيْتُ رَجُلَيْنِ.
Translation: I saw two men.
Rajulayni is a direct object in the accusative; yāʾ marks the case.
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The Yāʾ Marks Accusative
The Dual Noun: Inflection, Maqṣūr, Mamdūd and Iḍāfah
رَأَيْتُ رَجُلَيْنِ.
Translation: I saw two men.
Rajulayni is a direct object in the accusative; yāʾ marks the case.