| Kenneth G. Wilson (1923–). The Columbia Guide to Standard American English. 1993. |
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| REGULAR |
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| is of course an adjective whose basic meanings are “usual, customary, evenly spaced or timed, and normal,” but in this book it has a specialized grammatical sense as well, “by rule or generalization”: Regular English plurals of nouns are formed by adding an s, a z, or an iz sound at the end of the word, as in pots, bags, and judges. | 1 |
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| | | The Columbia Guide to Standard American English. Copyright © 1993 Columbia University Press. |
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