Heat oil in a frying pan over medium heat with the garlic and red pepper. When garlic is golden, remove pan from heat and allow to cool a bit. Add tomatoes, crushing them slightly. Add parsley, basil, and salt and cook over low flame about 30 minutes. Add oregano and tomato paste, bring to a boil, then reduce heat to a simmer and cook for about 15 minutes or until thickened. Cook spaghetti according to package directions, drain, and place on serving dish. Pour sauce over spaghetti, mix lightly, and serve at once with grated cheese.