It tells us the kind of red the tractor is. Another way to modify verbs, adjectives and adverbs is by using adverbials. Adverbials are phrases that do the same job as adverbs. Whereas an adverb is ...
We use adverbial inversion for drama, emphasis or formality. Form: Move the adverb / adverbial phrase to the beginning of the sentence, and switch the subject and auxiliary: Normal word order ...