Present, Future 人波を泳ぐ, 人波を泳ぎます [does], will [do] 人波を泳がない, 人波を泳ぎません doesn't [do], will not [do] Past 人波を泳いだ, 人波を泳ぎました [did] 人波を泳がなかった, 人波を泳ぎませんでした didn't [do] Te-form, Continuative 人波を泳いで, 人波を泳ぎまして 人波を泳がないで, 人波を泳ぎませんで 人波を泳がなくて Progressive 人波を泳いでいる, 人波を泳いでいます [doing], to be [doing] 人波を泳いでいない, 人波を泳いでいません not [doing] Volitional 人波を泳ごう, 人波を泳ぎましょう let's [do]!, I/we will [do], I/we intend to [do] 人波を泳ぐまい, 人波を泳ぎますまい I will not [do], I do not intend to [do] Imperative 人波を泳げ, 人波を泳ぎなさい [do] ! 人波を泳ぐな, 人波を泳ぎなさるな don't [do] ! Request 人波を泳いでください please [do] 人波を泳がないでください please don't [do] Provisional 人波を泳げば if X [does], if X [is ~] 人波を泳がなければ if X doesn't [do], if X [is not ~] Conditional 人波を泳いだら, 人波を泳ぎましたら if X were to [do], when X [does] 人波を泳がなかったら, 人波を泳ぎませんでしたら if X weren't to [do], when X doesn't [do] Potential 人波を泳げる, 人波を泳げます be able to [do], can [do] 人波を泳げない, 人波を泳げません not be able to [do], can't [do] Passive, Respectful 人波を泳がれる, 人波を泳がれます is [done] (by ...), will be [done] (by ...) 人波を泳がれない, 人波を泳がれません isn't [done] (by ...), will not be [done] (by ...) Causative 人波を泳がせる, 人波を泳がせます makes/will make (someone) [do] 人波を泳がせない, 人波を泳がせません doesn't/won't make (someone) [do] Causative passive 人波を泳がせられる, 人波を泳がせられます is made/will be made to [do] (by someone) 人波を泳がせられない, 人波を泳がせられません isn't made/won't be made to [do] (by someone) ~たい form 人波を泳ぎたい want to [do] 人波を泳ぎたくない don't want to [do]