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語法關係,或稱語法功能、語法角色、句法功能,指短語當中句子成分之間的功能關係。不同語法關係的句子成分會顯現不同的詞性,被歸入不同詞類;同時,也會擁有不同的語法範疇。
在生成語法乃至認知語言學理論等許多現代語法理論當中,主語、賓語等傳統的語法關係越發扮演重要角色,而一些其他類型的語法關係如補足語、標定語等也得到承認。[1]語法關係在依存語法中的作用最為明顯,依存語法理論當中往往會存在數十種不同的語法關係。
定義
主語、賓語等語法關係
Defining the grammatical relations
[編輯]Most grammarians and students of language intuitively know in most cases what the subject and object in a given clause are. But when one attempts to produce theoretically satisfying definitions of these notions, the results are usually less than clear and therefore controversial.[2] The contradictory impulses have resulted in a situation where most theories of grammar acknowledge the grammatical relations and rely on them heavily for describing phenomena of grammar but at the same time, avoid providing concrete definitions of them. Nevertheless, various principles can be acknowledged that attempts to define the grammatical relations are based on.
Thematic criteria
[編輯]The thematic relations (also known as thematic roles, and semantic roles, e.g. agent, patient, theme, goal) can provide semantic orientation for defining the grammatical relations. There is a tendency for subjects to be agents and objects to be patients or themes. However, the thematic relations cannot be substituted for the grammatical relations, nor vice versa. This point is evident with the active-passive diathesis and ergative verbs:
- Marge has fixed the coffee table.
- The coffee table has been fixed (by Marge).
- The torpedo sank the ship.
- The ship sank.
Marge is the agent in the first pair of sentences because she initiates and carries out the action of fixing, and the coffee table is the patient in both because it is acted upon in both sentences. In contrast, the subject and direct object are not consistent across the two sentences. The subject is the agent Marge in the first sentence and the patient The coffee table in the second sentence. The direct object is the patient the coffee table in the first sentence, and there is no direct object in the second sentence. The situation is similar with the ergative verb sunk/sink in the second pair of sentences. The noun phrase the ship is the theme in both sentences, although it is the object in the first of the two and the subject in the second.
The grammatical relations belong to the level of surface syntax, whereas the thematic relations reside on a deeper semantic level. If, however, the correspondences across these levels are acknowledged, then the thematic relations can be seen as providing prototypical thematic traits for defining the grammatical relations.
Configurational criteria
[編輯]Another prominent means used to define the syntactic relations is in terms of the syntactic configuration. The subject is defined as the verb argument that appears outside of the canonical finite verb phrase, whereas the object is taken to be the verb argument that appears inside the verb phrase.[3] This approach takes the configuration as primitive, whereby the grammatical relations are then derived from the configuration. This "configurational" understanding of the grammatical relations is associated with Chomskyan phrase structure grammars (Transformational grammar, Government and Binding and Minimalism).
The configurational approach is limited in what it can accomplish. It works best for the subject and object arguments. For other clause participants (e.g. attributes and modifiers of various sorts, prepositional arguments, etc.), it is less insightful, since it is often not clear how one might define these additional syntactic functions in terms of the configuration. Furthermore, even concerning the subject and object, it can run into difficulties, e.g.
- There were two lizards in the drawer.
The configurational approach has difficulty with such cases. The plural verb were agrees with the post-verb noun phrase two lizards, which suggests that two lizards is the subject. But since two lizards follows the verb, one might view it as being located inside the verb phrase, which means it should count as the object. This second observation suggests that the expletive there should be granted subject status.
Morphological criteria
[編輯]Many efforts to define the grammatical relations emphasize the role inflectional morphology. In English, the subject can or must agree with the finite verb in person and number, and in languages that have morphological case, the subject and object (and other verb arguments) are identified in terms of the case markers that they bear (e.g. nominative, accusative, dative, genitive, ergative, absolutive, etc.). Inflectional morphology may be a more reliable means for defining the grammatical relations than the configuration, but its utility can be very limited in many cases. For instance, inflectional morphology is not going to help in languages that lack inflectional morphology almost entirely such as Mandarin, and even with English, inflectional morphology does not help much, since English largely lacks morphological case.
Prototypical traits
[編輯]The difficulties facing attempts to define the grammatical relations in terms of thematic or configurational or morphological criteria can be overcome by an approach that posits protoyptical traits. The prototypical subject has a cluster of thematic, configurational, and/or morphological traits, and the same is true of the prototypical object and other verb arguments. Across languages and across constructions within a language, there can be many cases where a given subject argument may not be a prototypical subject, but it has enough subject-like traits to be granted subject status. Similarly, a given object argument may not be prototypical in one way or another, but if it has enough object-like traits, then it can nevertheless receive the status of object.
This third strategy is tacitly preferred by most work in theoretical syntax. All those theories of syntax that avoid providing concrete definitions of the grammatical relations but yet reference them often are (perhaps unknowingly) pursuing an approach in terms of prototypical traits.[需要解釋]
Heads and dependents
[編輯]In dependency grammar (DG) theories of syntax,[4] every head-dependent dependency bears a syntactic function.[5] The result is that an inventory consisting of dozens of distinct syntactic functions is needed for each language. For example, a determiner-noun dependency might be assumed to bear the DET (determiner) function, and an adjective-noun dependency is assumed to bear the ATTR (attribute) function. These functions are often produced as labels on the dependencies themselves in the syntactic tree, e.g.
The tree contains the following syntactic functions: ATTR (attribute), CCOMP (clause complement), DET (determiner), MOD (modifier), OBJ (object), SUBJ (subject), and VCOMP (verb complement). The actual inventories of syntactic functions will differ from the one suggested here in the number and types of functions that are assumed. In this regard, this tree is merely intended to be illustrative of the importance that the syntactic functions can take on in some theories of syntax and grammar.
See also
[編輯]Notes
[編輯]- ^ Butler, Christopher, S. Syntactic functions in Functional Discourse Grammar and Role and Reference Grammar: an evaluative comparison. Language Sciences (Elsevier). 2012, 34 (4): 480–490 [29 September 2013]. doi:10.1016/j.langsci.2012.03.002.
- ^ Napoli (199326, 46ff., 91ff.) provides an insightful discussion of notions such as 'subject' and 'direct object'.
- ^ See for instance Chomsky (1965), Bach (1974:39), Cowper (1992:40), Culicover (1997:167f.), Carnie (2007:118–120).
- ^ The most comprehensive source on DG is Ágel et al. (2003/6).
- ^ See Mel』čuk (1988:22, 69).
References
[編輯]- Ágel, V., Ludwig Eichinger, Hans-Werner Eroms, Peter Hellwig, Hans Heringer, and Hennig Lobin (eds.) 2003/6. Dependency and Valency: An International Handbook of Contemporary Research. Berlin: Walter de Gruyter.
- Bach, E. 1974. Syntactic theory. New York: Holt, Rinehart and Winston, Inc.
- Carnie, A. 2007. Syntax: A generative introduction, 2nd edition. Malden, MA: Blackwell Publishing.
- Chomsky, N. 1965. Aspects of the theory of syntax. Cambridge, MA: MIT Press.
- Cowper, E. 2009. A concise introduction to syntactic theory: The government-binding approach. Chicago: The University of Chicago Press.
- Culicover, P. 1997. Principles and Parameters: An introduction to syntactic theory. Oxford University Press.
- Mel'čuk, I. 1988. Dependency syntax: Theory and practice. Albany: SUNY Press.
- Napoli, D. 1993. Syntax: Theory and problems. New York: Oxford University Press.