Present, Future 危ない is [x] 危なくない is not [x] Past 危なかった was [x] 危なくなかった was not [x] Te-form, Continuative 危なくて is [x] and... 危なくなくて is not [x] and... Provisional 危なければ if it is [x] 危なくなければ if it is not [x] Conditional 危なかったら when/if it is [x] 危なくなかったら when/if it is not [x] Adverbial 危なく [x]-ly Noun form 危なさ [x]-ness