Present, Future 見にくい is [x] 見にくくない is not [x] Past 見にくかった was [x] 見にくくなかった was not [x] Te-form, Continuative 見にくくて is [x] and... 見にくくなくて is not [x] and... Provisional 見にくければ if it is [x] 見にくくなければ if it is not [x] Conditional 見にくかったら when/if it is [x] 見にくくなかったら when/if it is not [x] Adverbial 見にくく [x]-ly Noun form 見にくさ [x]-ness