Present, Future 忍耐強い is [x] 忍耐強くない is not [x] Past 忍耐強かった was [x] 忍耐強くなかった was not [x] Te-form, Continuative 忍耐強くて is [x] and... 忍耐強くなくて is not [x] and... Provisional 忍耐強ければ if it is [x] 忍耐強くなければ if it is not [x] Conditional 忍耐強かったら when/if it is [x] 忍耐強くなかったら when/if it is not [x] Adverbial 忍耐強く [x]-ly Noun form 忍耐強さ [x]-ness