Last week I advised readers to 'write just three good sentences'. Well, it's easy enough to write three sentences - but what does it mean to write three good sentences? I said that they should be 'stripped of flummery and pretension'. This week on the water I’ve been thinking about that advice, and wondering whether it was actually of any practical use at all. So I thought I should dig a little deeper into what a good sentence is, and how you might go about writing it. I’ll do this by taking...