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