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