Click the Select Objects tool , and then drag to make a selection rectangle around the objects that you want in the group.
In the lower-right corner of the selection rectangle, click Group .
Select the grouped objects you want to ungroup.
In the lower-right corner of the selection rectangle, click Ungroup .
Tip: You can select one object in a grouped object without ungrouping it. Hold down the SHIFT key while clicking the object that you want to select.