Brainerd Kellogg, Higher Lessons in English: A work on English grammar and composition
“ Give the substance of the "Introductory Hints" (for example, show clearly what two things are essential to a complete predicate; explain what is meant by a complement; distinguish clearly the three kinds of complements; show what parts of speech may be employed for each, and tell what general idea—action, quality, class, or identity—is expressed by each attribute complement or objective complement in your illustrations, etc.) . Repeat and illustrate definitions and rules; explain and illustrate fully the distinction between an adjective complement and an adverb modifier ”
