In a small bowl, combine the first six ingredients. Pour 1 cup marinade into a large resealable plastic bag; add the chicken. Seal bag and turn to coat; refrigerate for 5-6 hours. Cover and refrigerate remaining marinade., Drain and discard marinade. On six metal or soaked wooden skewers, alternately thread chicken and vegetables. Grill, covered, over medium heat for 5-7 minutes on each side or until chicken juices run clear, basting frequently with reserved marinade.