Present, Future 滑り易い is [x] 滑り易くない is not [x] Past 滑り易かった was [x] 滑り易くなかった was not [x] Te-form, Continuative 滑り易くて is [x] and... 滑り易くなくて is not [x] and... Provisional 滑り易ければ if it is [x] 滑り易くなければ if it is not [x] Conditional 滑り易かったら when/if it is [x] 滑り易くなかったら when/if it is not [x] Adverbial 滑り易く [x]-ly Noun form 滑り易さ [x]-ness