When you're working a pattern stitch that is increased, you need to expand the pattern on each side after the increases.
5 4 3 2 1 [COLOR=Red]/ XXXXXXXXXXXX [/COLOR][COLOR=Black] 1 2 3 4 5
The red stitches are the starting stitches and the numbers are the increases. As [/COLOR]Mirl56 said, you can work the increases in stockinette until you have enough for a pattern repeat, or do part of the pattern, depending on the stitches involved.
After your first increase, put a stitch marker between the new stitch and the established stitches. This helps you keep track of how many increases you've made and when to start a new repeat.