Present, Future 素早い is [x] 素早くない is not [x] Past 素早かった was [x] 素早くなかった was not [x] Te-form, Continuative 素早くて is [x] and... 素早くなくて is not [x] and... Provisional 素早ければ if it is [x] 素早くなければ if it is not [x] Conditional 素早かったら when/if it is [x] 素早くなかったら when/if it is not [x] Adverbial 素早く [x]-ly Noun form 素早さ [x]-ness