Present, Future 滑り降りる, 滑り降ります [does], will [do] 滑り降りない, 滑り降りません doesn't [do], will not [do] Past 滑り降りた, 滑り降りました [did] 滑り降りなかった, 滑り降りませんでした didn't [do] Te-form, Continuative 滑り降りて, 滑り降りまして 滑り降りないで, 滑り降りませんで 滑り降りなくて Progressive 滑り降りている, 滑り降りています [doing], to be [doing] 滑り降りていない, 滑り降りていません not [doing] Volitional 滑り降りよう, 滑り降りましょう let's [do]!, I/we will [do], I/we intend to [do] 滑り降りまい, 滑り降りますまい I will not [do], I do not intend to [do] Imperative 滑り降りろ, 滑り降りよ, 滑り降りなさい [do] ! 滑り降りるな, 滑り降りなさるな don't [do] ! Request 滑り降りてください please [do] 滑り降りないでください please don't [do] Provisional 滑り降りれば if X [does], if X [is ~] 滑り降りなければ if X doesn't [do], if X [is not ~] Conditional 滑り降りたら, 滑り降りましたら if X were to [do], when X [does] 滑り降りなかったら, 滑り降りませんでしたら if X weren't to [do], when X doesn't [do] Potential 滑り降りられる, 滑り降りられます be able to [do], can [do] 滑り降りられない, 滑り降りられません not be able to [do], can't [do] Passive, Respectful 滑り降りられる, 滑り降りられます is [done] (by ...), will be [done] (by ...) 滑り降りられない, 滑り降りられません isn't [done] (by ...), will not be [done] (by ...) Causative 滑り降りさせる, 滑り降りさせます makes/will make (someone) [do] 滑り降りさせない, 滑り降りさせません doesn't/won't make (someone) [do] Causative passive 滑り降りさせられる, 滑り降りさせられます is made/will be made to [do] (by someone) 滑り降りさせられない, 滑り降りさせられません isn't made/won't be made to [do] (by someone) ~たい form 滑り降りたい want to [do] 滑り降りたくない don't want to [do]