Can i just drag & drop all in one shot?

Hello

I placed the obects as below (bcz i want to achieve flow data / flowed subforms), am a newbie, hence i messed up like below heirarchy,  now bcz of some reason (if i use as is below being 2nd page, alignment is messing up), i want to move all the nodes / objects of 2nd page to 1st page, so, to get it done quick & easy, am thinking to just DRAG & DROP the 2nd page's top level red node to drop in at the bottom of first page with hold cusrsor technique, pls. let me know is it safe / any precaustions (there is very very litttel JS)?

My_First_Page1

       Subform

          Subform

              text field

           Subform

              text field

              just text

           Subform

              Subform

                 text field

          Subform

               Subform 

                    Subform

                           text field

                           just text

           Subform

              Subform

                 text field

          Subform

               Subform 

                    Subform

                           text field

                           just text

 

My_2nd_Page2

       Subform ======> Can i drag & drop this top level node to the 1st page bottom?

          Subform

              text field

           Subform

              text field

              just text

           Subform

              Subform

                 text field

          Subform

               Subform 

                    Subform

                           text field

                           just text

           Subform

              Subform

                 text field

          Subform

               Subform 

                    Subform

                           text field

                           just text

Thank you