NET
28 And we know that all things work together for good for those who love God, who are called according to his purpose,
Darby
28 But we *do* know that all things work together for good to those who love God, to those who are called according to purpose.
KJV
28 And we know that all things work together for good to them that love God, to them who are the called according to [his] purpose.