两个分词问题请教诸位贤达

AN EXTREMELY HUNGRY MAN WAS LOOKING LONGINGLY AT AN EMPTY BROKEN BOWL, BITTERLY DISAPPOINTED THAT THERE WAS NO FOOD.

我认为划线部分应该用现在分词表主动，请问为何用过去分词？

FOOD PRODUCERS TEND TO BLINDLY PURSUE PROFITS AND REFUSE TO IMPLEMENT TIME AND MONEY CONSUMING QUALITY CONTROL PROGRAMS.

我认为划线部分应该用过去分词表被动，请问为何用现在分词？