being 是be动词的ing形式

doing是do的ing形式

eg:She is being beaten.(正在进行时的被动)

句意:她正在被打。

I am doing my homework.(正在进行时)

句意:我正在做作业。

being用作名词表示存在,人,生物等含义,可指自然界的任何有生命的东西。being可用作谓语动词和非谓语动词,有时也可用作连系动词。

1.being用作名词的基本意思是“生物,人”,可指自然界的任何有生命的东西,也可作“存在,生存”解,引申还可作生物的“本质,本性”解。

2.being可用作谓语动词

(1)当being用作助动词时,常与过去分词连用,构成被动语态。

He is being interviewed now.

He is being picked up at the station tonight.

(2)当being为连系动词时,主要与形容词连接,表示临时特征或暂时现行。

Your brother is being very annoying this evening.

You're not being very polite.

3.being用作非谓语动词时。可作主语,宾语,定语,状语和宾语补足语。

4.being用作连系动词时,可作主语,宾语,状语,宾语补足语,也可用于独立主格结构。

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