Present, Future 熱い is [x] 熱くない is not [x] Past 熱かった was [x] 熱くなかった was not [x] Te-form, Continuative 熱くて is [x] and... 熱くなくて is not [x] and... Provisional 熱ければ if it is [x] 熱くなければ if it is not [x] Conditional 熱かったら when/if it is [x] 熱くなかったら when/if it is not [x] Adverbial 熱く [x]-ly Noun form 熱さ [x]-ness