1.being用作名詞的基本意思是“生物,人”,可指自然界的.任何有生命的東西,也可作“存在,生存”解,引申還可作生物的“本質,本性”解。
2.being可用作謂語動詞
（1）當being用作助動詞時，常與過去分詞連用，構成被動語態。
He is being interviewed now.
He is being picked up at the station tonight.
（2）當being為連繫動詞時，主要與形容詞連線，表示臨時特徵或暫時現行。
Your brother is being very annoying this evening.
You're not being very polite.
3.being用作非謂語動詞時。可作主語，賓語，定語，狀語和賓語補足語。
4.being用作連繫動詞時，可作主語，賓語，狀語，賓語補足語，也可用於獨立主格結構。