| | A '''part of speech''' is a grammatical category of words in a language. In [[English]], the eight parts of speech are the [[noun]], the [[verb]], the [[adjective]], the [[adverb]], the [[pronoun]], the [[preposition]], the [[conjunction]], and the [[interjection]]. Other languages have more or fewer parts of speech. For example, in [[Mandarin Chinese]], the two parts of speech are content words or full words, having concrete meanings; and function words or empty words, indicating grammatical relationships.<ref>[http://www.rci.rutgers.edu/~rsimmon/chingram/img9.html Parts of speech in Chinese]</ref> | | A '''part of speech''' is a grammatical category of words in a language. In [[English]], the eight parts of speech are the [[noun]], the [[verb]], the [[adjective]], the [[adverb]], the [[pronoun]], the [[preposition]], the [[conjunction]], and the [[interjection]]. Other languages have more or fewer parts of speech. For example, in [[Mandarin Chinese]], the two parts of speech are content words or full words, having concrete meanings; and function words or empty words, indicating grammatical relationships.<ref>[http://www.rci.rutgers.edu/~rsimmon/chingram/img9.html Parts of speech in Chinese]</ref> |
| | + | Parts of speech can be open classes, which readily accept new members, and closed classes, which do not.<ref>[http://grammar.about.com/od/c/g/closedclassterm.htm Closed Class]</ref> For example, nouns are an open class, since most languages allow new nouns to be coined with ease, while prepositions are a closed class. |