In the sentence, The shell turned red. Is red a direct object or a predicate adjective, and can you explain why?

Question

anonymous · Answer

HI welcome to Openstudy! :)

Direct Object is the 'object' in which the verb is being acted upon. In this sentence the word shell is the object ...
Predicate adjective modifies the subject. In your sentence 'red' modifies the subject 'shell', so red is a predicate adjective (:

anonymous · Answer

Thanks. That is what I though at first, but teh more I thought about it the less sure I became. : )

anonymous · Answer

no problem (: 
just remember 'adjectives' always describe an object

anonymous · Answer

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