دَرَسْتُ النَّحْوَ لَيْلَةً
Translation: I studied syntax one night.
دَرَسْتُ: past verb; “tu” subject.
النَّحْوَ: direct object, accusative.
لَيْلَةً: delimited-time adverbial, accusative.
This added example contrasts “what was studied?” and “when?”.
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Al-Mafʿūl Fīhi: Adverbials of Time and Place
دَرَسْتُ النَّحْوَ لَيْلَةً
Translation: I studied syntax one night.
دَرَسْتُ: past verb; “tu” subject.
النَّحْوَ: direct object, accusative.
لَيْلَةً: delimited-time adverbial, accusative.
This added example contrasts “what was studied?” and “when?”.