I am not now, nor have I ever been, a turnip. (Detenserism and perdurantism)

This paper considers how to put together two popular ideas in the philosophy of time: detenserism (the view that tense can be analysed in token-reflexive terms) and perdurantism (the view that objects persist through time by having temporal parts. On the most obvious way of doing this., certain problems arise. I argue that to deal with these problems we need a tool that is unfamiliar to most detensers and perdurantists - the distinction between sortal and non-sortal predicates.