Heat a soup pot over medium high heat. Add oil and pancetta or prosciutto. Saute 2 minutes and add onions, celery, garlic, zucchini and bay to the pot. Season vegetables with salt and pepper, to your taste. Saute vegetables 5 minutes, stirring frequently. Add white beans, garbanzo beans and chicken broth to the pot. Cover soup and bring to a boil. Add pasta and green beans to the soup and cook 8 minutes, or until pasta is just tender. Stir in spinach to wilt, 1 minute. Stir in grated cheese and ladle soup into bowls. Top soup with torn or shredded basil or chopped parsley.