Melt Butter In A Dutch Oven. Add Carrots, Zucchini, Broccoli, Onion And Celery; Cook And Stir For About 5 Minutes Or Until Crisp-Tender. Sprinkle Flour, Salt, Pepper And Sugar Over Vegetables; Mix Well. Stir In Milk And Chicken Broth; Cook And Stir Until Thickened And Bubbly. Add Corn, Ham, Peas And Pimiento; Cook And Stir Until Heated Through. Remove From The Heat; Add Cheese And Stir Until Melted. Serve Hot.