Okay, we'll go row by row:
I'll assume you have 74 sts before any of these instructions.
keeping pattern correct Work in the same pattern you've been doing up until now. You'll want it to line up with the rows below, so you'll need to begin it differently every row, to accomodate the stitches you'll be decreasing on the ends. I'll assume this pattern is one that leaves you with the same number of stitches, and any decreases worked in it are balanced by increases.
bind off 1 stitch at beginning of next 2 rows Bind of 1 stitch, work in your usual pattern to the end of the row. On the next row, bind off 1 stitch, and work to the end of that row. "Work" just means knit it, and purl it, or whatever, in the same repeated pattern you've been doing. So, you've done these two rows, and you'll now have two less stitches. [72 stitches left]
*next row k1 sl 1 k1 psso work in pattern to last 3sts.,k2tog,k1 You're doing knit 1, "slip, knit, pass" (a single decrease, SKP on the website), then NO MORE DECREASES--unless this is part of your pattern stitch--until the end of the row, when you have 3 stitches left. Then: k2tog, k1. [You've decreased 1 stitch at the beginning, and one at the end, of the row. 2 decreases total. 70 stitches left]
next row p2, work to last 2 sts. p2 No decreases in this row [70 sts]
repeat the last 2 rows until 26 sts, remain. I've put in a *. Repeat those last two rows (from the *). Unless your pattern stitch calls for a decrease, you're only decreasing two stitches, once every other row. This is the same rate of decrease as the decrease sampler on the decrease page; your garment will slope in at a 45% angle on both sides. At this rate, it should take you 44 rows to reach 26 stitches! You're decreasing only at the ends of the rows, not in the middle at all. It sounds like when you tried this, that you were repeating the decrease over and over across the row, which doesn't appear to be the intention.
I hope this does the trick for you!