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