Potential answers for "Grammarian's no-no"

⭐⭐⭐⭐ AINT
⭐⭐⭐⭐ SPLITINFINITIVE
⭐⭐⭐⭐ SLANG
⭐⭐ ITISI
⭐⭐ DEFINITEARTICLE
⭐⭐ CASE
⭐⭐ ADVERB
⭐⭐ SYNTAX
⭐⭐ USAGE

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