Present, Future 足が重い is [x] 足が重くない is not [x] Past 足が重かった was [x] 足が重くなかった was not [x] Te-form, Continuative 足が重くて is [x] and... 足が重くなくて is not [x] and... Provisional 足が重ければ if it is [x] 足が重くなければ if it is not [x] Conditional 足が重かったら when/if it is [x] 足が重くなかったら when/if it is not [x] Adverbial 足が重く [x]-ly Noun form 足が重さ [x]-ness