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