Question about Being ?

[Nader75]

I want explanation about the word ( Being) and how to use it
and some examples pleas

[Tdol]

It basically suggest that something is unfinished or of short duration:
It is being done now- unfinished
You are being unreasonable- you are not always unreasonable, but at the moment you are
It can also be used to descibe a quality or characteristic:
Being English, I write 'colour' not 'color'.