why are not being let enter the bar?

[tufguy]

Customers to manager of a bar: Could you please tell us why are not being let enter the bar?

 

[emsr2d2]

Can you work out what word should appear between "why" and "are"?
Replace "let" with "allowed". Then, can you work out what word should appear between "allowed" and "enter"?

 

[Tarheel]

Why are we not being allowed _____ enter the bar?

(We've got to have our beer/ale/whiskey.)

 

[tufguy]

Can you work out what word should appear between "why" and "are"?
Replace "let" with "allowed". Then, can you work out what word should appear between "allowed" and "enter"?

A customers to manager of a bar: Could you please tell us why we are not being allowed to enter the bar?

 

[Tdol]

Yes, though it should be A customer to the manager.

 

[GoesStation]

A customers to manager of a bar: Could you please tell us why we are not being allowed to enter the bar?

That's good, with Tdol's correction. The second bit would be shorter and more natural like this: ... why we can't come in?
I saved eight syllables, which you can donate to charity.