The main ideas of a longer composition can be outlined. An effective composition is unified, coherent, and emphatic. Prose, poetry, and drama each has distinctive organizational patterns. The status of dialects varies according to context or situation. Effective written sentences use precise words.
Phrases add variety.
The active voice is generally preferable. Word order is central to English sentence structure. Basic English sentence patterns can be expanded, compounded, and transformed. Parallel ideas should be expressed in parallel form. Balanced ideas are best expressed in balanced sentences.