How do you quickly add multiple check boxes in a 3 column form that all align and are the same size?

Thank you. When I do this it then randomly creates them and I have to select each one and move it with the arrow keys which takes forever.  Is there a faster way to algin them?

Select your row of checkboxes, right-click and then select to create multiple copies:

This will bring up a new dialog and you can then specify how exactly you want to create the multiple copies: