Scenario: My friend John has a personality disorder, intensely paranoid for example. Can I say: There were three events last year that told me John had a problem. or can I say: There were ...
They knew what mercy is. They knew what mercy was. Mercy is something that always exists so can I say is as in the above example?
I'm describing a situation that happened in the past. To explain it, I want to use a description that is both true now and true when the situation happened. Specifically, I want something like: ...