رَأَيْتُ زَيْدًا
Translation: I saw Zayd.
رَأَيْ: past-tense verb built on sukūn because the subject tāʾ is attached.
تُ: first-person singular attached pronoun in the nominative position as subject.
زَيْدًا: accusative direct object, marked by visible fatḥa and tanwīn.
It is the same noun Zayd, but now it is an object, so its ending changes.
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Munṣarif and Ghayr Munṣarif — Definitions, Causes and Parsing
رَأَيْتُ زَيْدًا
Translation: I saw Zayd.
رَأَيْ: past-tense verb built on sukūn because the subject tāʾ is attached.
تُ: first-person singular attached pronoun in the nominative position as subject.
زَيْدًا: accusative direct object, marked by visible fatḥa and tanwīn.
It is the same noun Zayd, but now it is an object, so its ending changes.