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