Re: will have been=have been=will be
I repeat what I said in post #8: Why do you insist on wanting not to use use will in situations when it is normal and natural to use it?
Originally Posted by ostap77
You need only to sit in a bus in England for five minutes to hear several non-standard utterances from natives. 'I ain't done nothing' is not standard English, and is generally considered sub-standard/uneducated, but it is normal and natural in some dialect groups in informal contexts.
The constructions you are talking about are not normal and natural in any dialect that I know of.