, use "is" if the person is still while in the function/connection you happen to be discussing, and "was" if they are not in that function/relationship any longer. How must I design the external entity and actor in my DFDs and UC Diagram for an app used by the QA https://buying-verified-cash-app71593.blogars.com/36522528/the-definitive-guide-to-buy-verified-copyright-reddit