Standard music notation normally follows a set of conventions designed to facilitate the reading of rhythm. The basic idea is to group notes in ways that clarify which notes belong to which beat. Rules include:
A full discussion of this topic is beyond the scope of this Handbook, but for more information, see this handout.
Here is an example of a rhythm written incorrectly and then correctly:
MuseScore can correct many of these cases automatically.
To regroup rhythms according to the common conventions of standard music notation:
The rhythm itself is not changed—only the notation of it.