رَأَيْتُ رَجُلًا سَكْرَانَ — I saw an intoxicated man.
رَأَيْتُ is verb and subject; رَجُلًا is the accusative direct object; سَكْرَانَ is its accusative adjective with fatḥa.
Both are accusative, but only the fully declinable noun takes tanwīn.
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Sakrān: Accusative Adjective
Diptote Causes — Additional Alif and Nūn and Their Conditions
رَأَيْتُ رَجُلًا سَكْرَانَ — I saw an intoxicated man.
رَأَيْتُ is verb and subject; رَجُلًا is the accusative direct object; سَكْرَانَ is its accusative adjective with fatḥa.
Both are accusative, but only the fully declinable noun takes tanwīn.