4.1. The functional level: subjects, objects, adverbials, predicates, complements

4 Appraoches to identify the core components of a sentence

Syntactic, Morphological, Semantic, Pragmatic

Syntactic Approach

The syntactic approach defines elements based on position, word order, and structural relationships within the sentence tree. It focuses on how these parts function as "slots" in a grammatical hierarchy.

Morphological Approach

The morphological approach focuses on the internal structure of words, including case markings, inflections, and grammatical gender or number. This approach is more prominent in highly inflected languages (like Latin or German) than in English.

Semantic Approach

The semantic approach looks at the meaning and thematic roles (Theta roles). It defines elements based on "who does what to whom" and the nature of the state or action described.

Pragmatic Approach

The pragmatic approach defines elements based on information structure, context, and the speaker's intent. It focuses on how information is packaged for the listener.

Syntactic Approach

The syntactic approach defines elements based on position, word order, and structural relationships within the sentence tree. It focuses on how these parts function as "slots" in a grammatical hierarchy.

Subject (Syntactic Definition)

The primary Noun Phrase (NP) that typically precedes the main verb in a declarative sentence; it determines subject-verb agreement and occupies the specifier position of the Inflectional Phrase (IP).

Object (Syntactic Definition)

A noun phrase that typically follows a transitive verb and is part of the Verb Phrase (VP). Can be direct (affected) or indirect (recipient); often becomes the subject in a passive transformation.

Predicate (Syntactic Definition)

The part of the sentence or clause containing a verb and stating something about the subject. Historically the entire VP; in modern syntax, it is the lexical head (verb) plus its required arguments.

Complement (Syntactic Definition)

A constituent required by a head (verb, noun, or adjective) to "complete" its meaning. Includes Subject Complements (following linking verbs like "be") and Object Complements (renaming the object).

Adverbial (Syntactic Definition)

An optional constituent (adjunct) that provides extra info but is not structurally required for grammatical "correctness." Can often be moved to different positions in the sentence without changing the core grammatical structure.

Morphological Approach

The morphological approach focuses on the internal structure of words, including case markings, inflections, and grammatical gender or number. This approach is more prominent in highly inflected languages (like Latin or German) than in English.

Subject (Morphological Definition)

The entity marked by the Nominative case. Shows agreement with the verb in person (1st, 2nd, 3rd) and number (singular/plural).

Object (Morphological Definition)

The entity marked by the Accusative (Direct) or Dative (Indirect) case. In English, only visible in pronouns (e.g., him vs. he, them vs. they).

Predicate (Morphological Definition)

The element carrying Tense, Aspect, Mood, and Voice (TAM) markers. Inflected for past/present, progressive/perfective, and active/passive forms.

Complement (Morphological Definition)

Often shares the same case marking as the element it modifies/completes. A Subject Complement usually takes the Nominative case (e.g., "It is I," though "It is me" is common in modern usage).

Adverbial (Morphological Definition)

Often identified by specific derivational suffixes or lack of case inflection. In English, the -ly suffix is a primary marker; in other languages, it may take the Ablative or Instrumental case.

Semantic Approach

The semantic approach looks at the meaning and thematic roles (Theta roles). It defines elements based on "who does what to whom" and the nature of the state or action described.

Subject (Semantic Definition)

Usually the Agent (doer) or Experiencer (one who perceives/feels). The "source" of the action or the "topic" of the state described.

Object (Semantic Definition)

Usually the Patient (entity undergoing change) or Theme (entity being moved/located). The "undergoer" or the "destination" of the action's energy.

Predicate (Semantic Definition)

The Event, State, or Relation that links the participants. Defines the "argument structure" (how many participants are needed).

Complement (Semantic Definition)

Provides an Attribute or a Resultative state to an entity. Defines a property (e.g., "The sky is blue") or a secondary identity.

Adverbial (Semantic Definition)

Provides Circumstantial information (Time, Place, Manner, Reason). Answers questions like When?, Where?, How?, or Why?

Pragmatic Approach

The pragmatic approach defines elements based on information structure, context, and the speaker's intent. It focuses on how information is packaged for the listener.

Subject (Pragmatic Definition)

Frequently functions as the Topic (what the sentence is about). Usually represents "Given" or "Old" information that the audience already knows.

Object (Pragmatic Definition)

Frequently part of the Focus or Comment. Often introduces "New" information into the discourse.

Predicate (Pragmatic Definition)

Acts as the Assertion or the "Comment" regarding the topic. Communicates the core message or the "point" of the utterance.

Complement (Pragmatic Definition)

Serves to Specify or Restrict the reference of a noun or verb. Refines the listener's understanding of a specific entity's identity or state.

Adverbial (Pragmatic Definition)

Acts as a Frame-setter or Discourse Marker. Provides the "mental stage" (context) for the proposition or manages the flow of conversation.