TO= 2 different things- to group- P group

She needs    to go          to the store

                    to get something

                    to bring      to the party.

to go = (to group)

to the store= (Prepositional phrase= P group)

Let’s put some more tos  to understand better.

She needs  to go          to the store

                  to get something

                  to bring      to the party

                  to pass       by my apartment

                  to borrow me $ 200

                     to pay back s.o at the hairdresser’s  

where she will meet you   at work

                  to ask         for help

                  to feel        in the safe side

                  to be able

                  to enjoy it   by herself  .