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Begin to recognize the use of nouns, e.g., singular (including irregular forms, i.e., gymnastics), plural (including irregular forms), common, proper, singular possessive, plural possessive, appositives, concrete, abstract, compound (one word: bookcase; two or more words: prime number/ Yellowstone National Park/ George Washington; hyphenated words: editor-in-chief); predicate nominatives; direct and indirect objects; collective nouns.

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