Present, Future え辛い is [x] え辛くない is not [x] Past え辛かった was [x] え辛くなかった was not [x] Te-form, Continuative え辛くて is [x] and... え辛くなくて is not [x] and... Provisional え辛ければ if it is [x] え辛くなければ if it is not [x] Conditional え辛かったら when/if it is [x] え辛くなかったら when/if it is not [x] Adverbial え辛く [x]-ly Noun form え辛さ [x]-ness