Melt margarine in saucepot; add oil; heat. Saute garlic and clams in hot oil mixture over medium heat for 2 to 3 minutes. Stir in parsley, basil, oregano, salt, and pepper. Simmer 5-10 minutes. Cook linguine according to package directions; drain well. Return to pot; add sauce; toss lightly. Serve with grated Parmesan cheese.