How to add new rows in Forms??

I am working on a form and i can add new columns pretty well, but how i can add new rows.
Like i added two radio buttons in one row, now i want to come to the next row.

So i am unable to do that,

May i have some help in that…

Thank you

Use 'newcolumn":
docs.dhtmlx.com/doku.php?id=dhtmlxform:newcolumn