Disjoint the chicken wings; discard tips (or save for stock). Combine soy sauce, sherry, minced ginger and garlic in a large bowl; stir in chicken. Cover and refrigerate for 1 hour, stirring occasionally. Remove chicken; reserve marinade. Heat oil in large skillet over medium heat. Lightly coat chicken pieces with cornstarch; add to skillet and brown slowly on all sides. Remove chicken; drain off fat. Stir water and reserved marinade into same skillet. Add chicken; sprinkle green onions and slivered ginger evenly over chicken. Cover and simmer for 5 minutes, or until chicken is tender. Typed by Syd Bigger.