Questão 96677

In formal written English, when a sentence begins with a negative adverb or adverbial phrase (e.g., 'Not only', 'Scarcely', 'Hardly', 'No sooner'), subject-auxiliary inversion is mandatory. Analyze the statements below regarding this grammatical rule.

I. 'Never before have I seen such a breathtaking display of talent.' is grammatically correct for informal contexts.

II. 'No sooner had the alarm sounded than the firefighters were on the scene.' correctly applies the inversion rule.

III. 'Seldom we see such unanimity in the committee.' requires inversion to be formally correct, becoming 'Seldom do we see...'.

Based on your analysis, which statements are correct?