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