不是说否定前缀不能视为否定词,其反意疑问句仍用否定形式。 It is impossible, isn't it? He is not unkind to his classmates, is he? 请高人指点
那如果要回答没事,是Yes,there is。还是No,there isn‘t
回答没事是:No, there isn't.当你不能确定回答的时候,就把nothing改成not anything,这样好理解一点。