Present, Future てく, てきます [does], will [do] てかない, てきません doesn't [do], will not [do] Past てった, てきました [did] てかなかった, てきませんでした didn't [do] Te-form, Continuative てって, てきまして てかないで, てきませんで てかなくて Progressive てっている, てっています [doing], to be [doing] てっていない, てっていません not [doing] Volitional てこう, てきましょう let's [do]!, I/we will [do], I/we intend to [do] てくまい, てきますまい I will not [do], I do not intend to [do] Imperative てけ, てきなさい [do] ! てくな, てきなさるな don't [do] ! Request てってください please [do] てかないでください please don't [do] Provisional てけば if X [does], if X [is ~] てかなければ if X doesn't [do], if X [is not ~] Conditional てったら, てきましたら if X were to [do], when X [does] てかなかったら, てきませんでしたら if X weren't to [do], when X doesn't [do] Potential てける, てけます be able to [do], can [do] てけない, てけません not be able to [do], can't [do] Passive, Respectful てかれる, てかれます is [done] (by ...), will be [done] (by ...) てかれない, てかれません isn't [done] (by ...), will not be [done] (by ...) Causative てかせる, てかせます makes/will make (someone) [do] てかせない, てかせません doesn't/won't make (someone) [do] Causative passive てかせられる, てかせられます is made/will be made to [do] (by someone) てかせられない, てかせられません isn't made/won't be made to [do] (by someone) ~たい form てきたい want to [do] てきたくない don't want to [do]