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