Negative い-Adjectives - Discussion

not [adjective]

Structure

  • い-Adjective[] + く + ないありません

  • い-Adjective → short negative form → polite negative form
  • おおきい → おおきく + ない・ありません → おおきくない/おおきくありません
  • おいしい → おいしく + ない・ありません → おおきくない → おいしくない/おいしくありません
  • はやい → はやく + ない・ありません → はやくない/はやくありません

View on Bunpro

Hi everyone. A sentence from this grammar point popped up in my reviews today, and I stuck です on the end. This was marked wrong.

I reviewed the grammar point, as well as the page for です and I see now that following an い-adjective with です is formally not considered correct. I forgot about that.

However, both pages also state that using です after an い-adjective is starting to become common in spoken language, and the です grammar point on Bunpro even has a review sentence where you have to stick です onto 暑い.

In this case, shouldn’t「鉛筆は美味しくないです」either be marked correct, or get one of those warning messages saying something like “it is better to avoid です in this case” or something?

It says “negative, standard” i.e. not polite. I forget to check and make this mistake all the time though

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Using grammar patterns that are too polite or too casual are the number one thing that Bunpro gives warning messages for instead of marking wrong, so if that is really what the problem is here, that would be all the more reason to add a warning message in this case.