Before revision: They must be a complement of a CNRP as these manifest a strong reading for main clause negation The following table shows examples of permitted Horn clauses: +Examples of Horn clausesGramaticalitySentenceGrammaticalI didn't expect that for any reason she would agree to thatUngrammatical*ever again would I agree to such a course of action The first sentence is grammatical as the Horn clause is a complement of a CNRP expect, and can therefore raise up to the main clause .
After revision: while still being interpretable in the embedded clauseThey must be a complement of a CNRP as these manifest a strong reading for main clause negation The following table shows examples of permitted Horn clauses: +Examples of Horn clausesGramaticalitySentenceGrammaticalI didn't expect that for any reason she would agree to thatUngrammatical*ever again would I agree to such a course of action The first sentence is grammatical as the Horn clause is a complement of a CNRP expect, and can therefore raise up to the main clause .