Present, Future 気が強い is [x] 気が強くない is not [x] Past 気が強かった was [x] 気が強くなかった was not [x] Te-form, Continuative 気が強くて is [x] and... 気が強くなくて is not [x] and... Provisional 気が強ければ if it is [x] 気が強くなければ if it is not [x] Conditional 気が強かったら when/if it is [x] 気が強くなかったら when/if it is not [x] Adverbial 気が強く [x]-ly Noun form 気が強さ [x]-ness