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In linguistics, coordination is a frequently occurring complex syntactic structure that links together two or more elements, known as ''conjuncts'' or ''conjoins''. The presence of coordination is often signaled by the appearance of a coordinator (coordinating conjunction), e.g. ''and'', ''or'', ''but'' (in English). The totality of coordinator(s) and conjuncts forming an instance of coordination is called a coordinate structure. The unique properties of coordinate structures have motivated theoretical syntax to draw a broad distinction between coordination and subordination.〔Concerning the distinction between subordination and coordination, see Payne (2006:309).〕 Coordination is one of the most studied fields in theoretical syntax, but despite decades of intensive examination, theoretical accounts differ significantly and there is no consensus about the best analysis. ==Basic examples== Coordination is a very flexible mechanism of syntax. Any given lexical or phrasal category can be coordinated. The examples throughout this article employ the convention whereby the conjuncts of coordinate structures are marked using square brackets and bold script. The coordinate structure each time includes all the material that follows the left-most square bracket and precedes the right-most square bracket. The coordinator appears in normal script between the conjuncts. ::() and () went to town - N + N ::(chicken ) and (rice ) go well together. - NP + NP ::The president will () and (). - V + V ::The president will (the criticism ) and (action ) - VP + VP ::Insects were (), (), and () the bed. - P + P + P ::(the announcement ) but (the game ), there was a celebration. - PP + PP ::Susan works () and (). - Adv + Adv ::Susan works (slowly ) and (carefully ). - AdvP + AdvP ::We appreciated (the president understood the criticism ) and (he took action ). - Clause + Clause Data of this sort could easily be expanded to include every lexical and phrasal category. An important aspect of these data is that the conjuncts each time are indisputably constituents. In other words, the material enclosed in brackets would qualify as a constituent in both phrase structure grammars and dependency grammars. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Coordination (linguistics)」の詳細全文を読む スポンサード リンク
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