The Manchester United manager has currently decided that Matteo Darmian, Daley Blind and Luke Shaw will kind three-quarters of his defence because the Premier League season starts subsequent week.
Jones was chosen to companion Blind in central defence as United lost 2-0 to PSG in the final game of their US tour on Wednesday.
"I must get started with a formation and when a formation is doing effectively I let them play in that formation," said Van Gaal.
"I believe I shall play Shaw with Blind and Matteo Darmian then the right central defender's position I've to consider.
"I am pleased with Darmian. As you may see, he can play left and ideal."
Van Gaal is determined to play a left-footed player around the left side of his central defence and Blind will battle with Marcos Rojo for that function when the Argentine returns to fitness.
"I was incredibly pleased with Blind's performances not only this evening however the former performances," added Van Gaal.
"I consider he can create up the game improved from that position and he has defended quite well.
"I consider I shall use him there but additionally in midfield along with the left-back positon but I'm pleased with his performances here."