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