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