Present, Future 歓心を買う, 歓心を買います [does], will [do] 歓心を買わない, 歓心を買いません doesn't [do], will not [do] Past 歓心を買った, 歓心を買いました [did] 歓心を買わなかった, 歓心を買いませんでした didn't [do] Te-form, Continuative 歓心を買って, 歓心を買いまして 歓心を買わないで, 歓心を買いませんで 歓心を買わなくて Progressive 歓心を買っている, 歓心を買っています [doing], to be [doing] 歓心を買っていない, 歓心を買っていません not [doing] Volitional 歓心を買おう, 歓心を買いましょう let's [do]!, I/we will [do], I/we intend to [do] 歓心を買うまい, 歓心を買いますまい I will not [do], I do not intend to [do] Imperative 歓心を買え, 歓心を買いなさい [do] ! 歓心を買うな, 歓心を買いなさるな don't [do] ! Request 歓心を買ってください please [do] 歓心を買わないでください please don't [do] Provisional 歓心を買えば if X [does], if X [is ~] 歓心を買わなければ if X doesn't [do], if X [is not ~] Conditional 歓心を買ったら, 歓心を買いましたら if X were to [do], when X [does] 歓心を買わなかったら, 歓心を買いませんでしたら if X weren't to [do], when X doesn't [do] Potential 歓心を買える, 歓心を買えます be able to [do], can [do] 歓心を買えない, 歓心を買えません not be able to [do], can't [do] Passive, Respectful 歓心を買われる, 歓心を買われます is [done] (by ...), will be [done] (by ...) 歓心を買われない, 歓心を買われません isn't [done] (by ...), will not be [done] (by ...) Causative 歓心を買わせる, 歓心を買わせます makes/will make (someone) [do] 歓心を買わせない, 歓心を買わせません doesn't/won't make (someone) [do] Causative passive 歓心を買わせられる, 歓心を買わせられます is made/will be made to [do] (by someone) 歓心を買わせられない, 歓心を買わせられません isn't made/won't be made to [do] (by someone) ~たい form 歓心を買いたい want to [do] 歓心を買いたくない don't want to [do]