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