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