主语+be +being + 及物动词的过去分词 有没有发生 取决于什么

主语+be +being + 及物动词的过去分词 有没有发生 取决于什么

第一个be如果是过去式，动作就是在过去的某个时间正在发生；
第一个be如果是一般现在时，那么动作就是现在正在发生。

这是现在进行时的被动语态，表示一个正在被进行的动作。
1. 表示此刻正在被进行的动作。
The project is being discussed at the meeting.
A new movie is being shown in the theater.
My house is being painted now.
2.表示现阶段正在被进行的动作，但此动作不一定在此时此刻发生。
A new station is being built.
A lot of interesting experiences are being carried out these days.
A modern school is being built in our hometown.
3.表示经常被做的行为，常和always, often, constantly等词连用。(表达某种感情色彩)
He is always being praised by the teacher.
4.与部分情态动词连用，表示对正在发生的动作的推测。
He may be being beaten by his father at the very moment.
现在进行时被动语态的四注意
1.
注意不可遗漏―being如果把being漏掉，就成为一般现在时的被动语态或系表结构。
Look. The children are being taken care of by their aunt. (现在的情况）
Children are taken good care of at school. (通常的情况）
The report is being written by one of the best students. The report is well written
2.注意现在进行时的被动语态也可以表示将来。
现在进行时的被动语态有时可表示按计划或安排将要进行的一个被动的动作，此种用法仅限于少数及物动词。
A folk song is being sung next.
A party is being held tonight.
It is said that a plane is being flown by him to America at eight next Sunday.
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