Grilled Chicken Kabobs

• 12 mushrooms (fresh)
• 4 chicken (boneless skinless)
• 2 zucchini
• 1 1/2 in -slic
• 1 onion
• 1 green pepper
• 120 ml water
• 120 ml soy sauce
• 16 ml worcestershire sauce
• 16 ml vegetable oil