Two styles to try:
Slurs can be used for note grouping:
This is done with quarter, and half notes (can also be dotted), then hiding all stems, and using different breath marks and barlines for structure and phrasing:
Another style with notes connected with beams to show grouping:
This is done by writing (nearly) everything in eighths (to get the beams) and using different barlines and holds like in the first example.
The white noteheads were done by creating a new Notehead Set with only one white notehead, then applying it were needed (right-click on the notehead).
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Creating Note Head Sets
Please read @johnkprice 's short tutorial in this thread to avoid a trap many fall into –