Present, Future 寝苦しい is [x] 寝苦しくない is not [x] Past 寝苦しかった was [x] 寝苦しくなかった was not [x] Te-form, Continuative 寝苦しくて is [x] and... 寝苦しくなくて is not [x] and... Provisional 寝苦しければ if it is [x] 寝苦しくなければ if it is not [x] Conditional 寝苦しかったら when/if it is [x] 寝苦しくなかったら when/if it is not [x] Adverbial 寝苦しく [x]-ly Noun form 寝苦しさ [x]-ness