Every time the cycle repeats, that low E root is right there to support that downbeat. Notice that it doesn’t have to hit every downbeat of the pattern, but it must hit on that repeated downbeat at the start of the cycle. Funky bass lines emphasize beat one and lay a solid rhythmic foundation.
It will likely take a few episodes, several hair-pulling late nights, and a lot of tears before you get a winning structure down so my advice is to plan as much as you can before hitting record. Which brings us into the next section.