Present, Future 寝すぎる, 寝すぎます [does], will [do] 寝すぎない, 寝すぎません doesn't [do], will not [do] Past 寝すぎた, 寝すぎました [did] 寝すぎなかった, 寝すぎませんでした didn't [do] Te-form, Continuative 寝すぎて, 寝すぎまして 寝すぎないで, 寝すぎませんで 寝すぎなくて Progressive 寝すぎている, 寝すぎています [doing], to be [doing] 寝すぎていない, 寝すぎていません not [doing] Volitional 寝すぎよう, 寝すぎましょう let's [do]!, I/we will [do], I/we intend to [do] 寝すぎまい, 寝すぎますまい I will not [do], I do not intend to [do] Imperative 寝すぎろ, 寝すぎよ, 寝すぎなさい [do] ! 寝すぎるな, 寝すぎなさるな don't [do] ! Request 寝すぎてください please [do] 寝すぎないでください please don't [do] Provisional 寝すぎれば if X [does], if X [is ~] 寝すぎなければ if X doesn't [do], if X [is not ~] Conditional 寝すぎたら, 寝すぎましたら if X were to [do], when X [does] 寝すぎなかったら, 寝すぎませんでしたら if X weren't to [do], when X doesn't [do] Potential 寝すぎられる, 寝すぎられます be able to [do], can [do] 寝すぎられない, 寝すぎられません not be able to [do], can't [do] Passive, Respectful 寝すぎられる, 寝すぎられます is [done] (by ...), will be [done] (by ...) 寝すぎられない, 寝すぎられません isn't [done] (by ...), will not be [done] (by ...) Causative 寝すぎさせる, 寝すぎさせます makes/will make (someone) [do] 寝すぎさせない, 寝すぎさせません doesn't/won't make (someone) [do] Causative passive 寝すぎさせられる, 寝すぎさせられます is made/will be made to [do] (by someone) 寝すぎさせられない, 寝すぎさせられません isn't made/won't be made to [do] (by someone)