Being That and Because
Being That and Because :
Using “being that" to mean “because" is nonstandard, as in “Being that the bank robber was fairly experienced, it was surprising that he showed the teller his ID card when she asked for it."
“Being as how" is even worse.
If “because" or “since" are too simple for your taste, you could use “given that" or “in that" instead.
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