One of the biggest challenges I find with new dancers is either they have trouble finding the beat of a song or they have trouble keeping that beat once they’ve found it. This is a great video that helps explain how to find that beat and ultimately how to keep it.
I would add that in line dancing, you need to keep light on your feet if you want to STAY on the beat. Oftentimes, people fall off the beat because they are too heavy footed (see “Carry Your Own Weight“), but if you keep light on your feet and listen to the beat, you’ll do great!
[Credit to Robert Royston & Howcast videos]