The following arguments were abstracted from newspaper articles, editorials, and letters to the editor. Use the method presented in this section to construct argument patterns. If a statement is redundant or plays no role in the argument, do not include it in the pattern.
1 Research leading to the development of a scramjet engine is worthwhile. 2 Commercial aircraft incorporating such an engine could cross the Pacific in as little as two hours. 3 This would relieve the fatigue of flights from New York 1 to Tokyo. Also, 4 such an engine could power future orbiting spacecraft.