There is one more piece to the puzzle of how to write classy conditionals. Why do they so often contain the verb form had, as in If I hadn’t had my seat belt on, I’d be dead, which sounds better than If I didn’t have my seat belt on, I’d be dead? The key is that had turns up when the if-clause refers to an event whose time of occurrence really is the past. Recall that the if-clause in a remote conditional demands the past tense but has nothing to do with past time. Now when a writer really does want to refer to a past-time event in a remote conditional, he needs the past tense of a past-tense
...more
