Being 是 be 动词的进行态，把 being an acceptable member of society，增加主语还原为句子为： you are being an acceptable member of society. 一般是用于后者。 比如老友记里有一集，rachel很不开心的说“who is being loud? (谁啊，这么大声！ (打搅我睡觉了))”。 标题 is being naughty,又调皮捣蛋了，是一种责备的语.
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You are too modest.you are being too modest.在第二个例句中的being是什么成分？been是跟在have后边做…
Being 表示生物——a living creature human.
根据牛津词典，being 有以下三种用法： being表示出现，存在——— existence a new era was brought into being by the fall of communism. 图2 中间的 be 就是动词原形，周围的 to be / being / been / be 就是be动词的四态非谓语动词。 上图中 be 的四态非谓语动词 to be / being / been / be 加上时间信息，就构成了下图中的16个核.
