Present, Future 一服飲む, 一服飲みます [does], will [do] 一服飲まない, 一服飲みません doesn't [do], will not [do] Past 一服飲んだ, 一服飲みました [did] 一服飲まなかった, 一服飲みませんでした didn't [do] Te-form, Continuative 一服飲んで, 一服飲みまして 一服飲まないで, 一服飲みませんで 一服飲まなくて Progressive 一服飲んでいる, 一服飲んでいます [doing], to be [doing] 一服飲んでいない, 一服飲んでいません not [doing] Volitional 一服飲もう, 一服飲みましょう let's [do]!, I/we will [do], I/we intend to [do] 一服飲むまい, 一服飲みますまい I will not [do], I do not intend to [do] Imperative 一服飲め, 一服飲みなさい [do] ! 一服飲むな, 一服飲みなさるな don't [do] ! Request 一服飲んでください please [do] 一服飲まないでください please don't [do] Provisional 一服飲めば if X [does], if X [is ~] 一服飲まなければ if X doesn't [do], if X [is not ~] Conditional 一服飲んだら, 一服飲みましたら if X were to [do], when X [does] 一服飲まなかったら, 一服飲みませんでしたら if X weren't to [do], when X doesn't [do] Potential 一服飲める, 一服飲めます be able to [do], can [do] 一服飲めない, 一服飲めません not be able to [do], can't [do] Passive, Respectful 一服飲まれる, 一服飲まれます is [done] (by ...), will be [done] (by ...) 一服飲まれない, 一服飲まれません isn't [done] (by ...), will not be [done] (by ...) Causative 一服飲ませる, 一服飲ませます makes/will make (someone) [do] 一服飲ませない, 一服飲ませません doesn't/won't make (someone) [do] Causative passive 一服飲ませられる, 一服飲ませられます is made/will be made to [do] (by someone) 一服飲ませられない, 一服飲ませられません isn't made/won't be made to [do] (by someone) ~たい form 一服飲みたい want to [do] 一服飲みたくない don't want to [do]