What is your time signature? That usually determines beaming. (I wonder how you or someone else created the triplet sets.)

You can rebeam according to a time signature (try 4/4).

You should be able to choose the Speedy Entry tool and position it on the fourth eighth of each triplet and press the slash key (/) to split the beaming.

Hi

Just a followup to J Adrians' post. It works well.

Following the time sig change, eighth notes are grouped by fours.

Cheers...