Replace "be" with "get" in the first dialog.
John: Does the fax machine be used any more ? Incorrect: Use get vs. be.
Mary: Yes, it does be used on occasion. Incorrect: Use get vs. be.
2 //Note: helping verbs (do/does/did) of standard English may be problematic if you are used to speaking another language or dialect//
John: Is the fax machine used any more? Correct:
Alt: Does vs. Is; insert "get" btwn machine and used
Alt: John: Does the fax machine get used anymore?
Mary: Yes, it is used on occasion. Correct:
Alt does get vs is
Alt: Mary: Yes, it does get used on occasion.
An excellent website for English as Second Language for this topic is here: