Methodology FDG
Outline of the model
2.1. The structure of the clause 2.6. Speech act
2.2. Predicates and predicate-frames 2.7. Syntactic function assignment
2.3. Terms and term formation 2.8. Pragmatic function assignment
2.4. Predication 2.9. Fully specified predications
2.5. Proposition 2.10. Expression rules
 
Top Page2.1. The structure of the clause
Clauses are described in terms of abstract underlying clause structures, which are mapped onto the actual form of the corresponding linguistic expression by a system of expression rules. Schematically:

1.


The underlying clause structure is a complex abstract structure in which several levels/layers of formal and semantic organization are distinguished:

2.

Clause and Proposition form the interpersonal level; the other three form the representational level (cf. Hengeveld 1989).
 
Top Page2.2. Predicates and predicate-frames
All predicates, or contentives, of a language are stored in a Lexicon. Predicates are contained in predicate-frames, structures which specify their fundamental semantic and syntactic properties, such as (i) the syntactic category of the predicate (Verbal, Nominal, Adjectival), (ii) the number of arguments, (iii) the semantic functions of the arguments (Agent, Patient, Recipient, etc.).

3.


The order in which the predicate and the arguments are given has no direct or necessary relation to the linear order in which these constituents will finally be realized.
Predicate-frames can be extended by satellites (non-arguments). The semantic functions of the satellites express the relation between the predication or proposition and the satellites, whereas the semantic functions of the arguments express the relations between the predicates and the arguments. Consider:

4.
 
 
Top Page2.3. Terms and term formation
The variables indicating the arguments in predicate-frames and satellites can be replaced by terms, i.e. the forms underlying NPs. Two types of terms are distinguished: (i) basic terms, expressions which can only function as terms and are given as such in the lexicon (e.g. personal pronouns, proper nouns, question words) and (ii) derived terms, which can be formed by the following general schema:

5.


Here xi is the term variable symbolizing the intended referent of the term; the symbol Ω indicates one or more term operators (operators for definiteness, number etc.); each Φ(xi) indicates some `open predication in xi', that is, a predicate-frame all of whose argument positions have been bound except for xi. Each open predication in xi can be regarded as a restrictor specifying some property which xi must have in order to qualify as a potential referent of the term.

6.


(6) is to be read as: "he definite single entity xi such that boy of xi, such that young of xi" (the young boy).

 
Top Page2.4. Predication
Nuclear predications consist of predicates and terms. Terms refer to entities in some world, and predicates designate properties of, or relations between such entities. A nuclear predication as a whole designates a set of States of Affairs (SoAs). The term State of Affairs (SoA) is used in the broad sense of 'conception of something which can be the case in some world'.

SoAs can be divided into different types, according to the values which they can have for a number of distinguishing parameters. These parameters and their different values together define a semantic cross-classification of SoAs. The most important semantic parameters defining the typology of SoAs are Control, Dynamism, Telicity, and Momentaneousness. Nuclear predications can be further specified by predicate operators and satellites, both operating at Level 1. Operators: e.g. aspectual distinctions; satellites: e.g. terms with the function of Manner, Speed, and Instrument. The result of these extensions is called core predication. E.g. (7) in which the Perfective operator applies. Also note the satellite with the function of Manner:

7.

Core predications can be further specified by predication operators and satellites, both operating at Level 2. Operators: e.g. temporal and some modal distinctions; satellites: e.g. terms with the function of Time and Place. The result of these extensions is called extended predication. For instance (8) in which the Tense operator with the value of Pres applies. Note the satellite with the function of Location:

8.
 
 
Top Page2.5. Proposition
Extended predications can be built into a propositional structure, in which the extended predication is used to specify a possible fact. Extended predications can be further specified by proposition operators and satellites, both operating at Level 3. Operators: e.g. some modal distinctions; satellites: e.g. terms which specify the attitude of the Speaker. The result of these extensions is called extended proposition. For instance:

9.
 
Top Page2.6. Speech act
Extended propositions can be built into a speech act structure. Extended propositions can be further specified by illocutional operators and satellites, both operating at Level 4. Operators: e.g. Declarative, Imperative, and Interrogative; satellites: terms which specify the speech act. For instance:

10.
 
 
Top Page2.7. Syntactic function assignment
Syntactic functions express the perspective in which a certain SoA is presented. The following two linguistic expressions are assumed to be based on the same underlying predication, and thus designate the same set of SoA's. The difference is that in (11a) the SoA is presented from the point of view of `the man' and in (11b) from the point of view of `the car':

11.

Such differences are accounted for by assigning the Syntactic functions Subject (primary vantage point) and Object (secondary vantage point) to certain terms in an underlying predication. Compare:

12.

In a similar way, Object assignment is used to differentiate between constructions such as:

13.
 
 
Top Page2.8. Pragmatic function assignment
Pragmatic functions are functions which specify the informational status of the constituents involved in the wider communicative setting in which they occur. Alternative assignments of pragmatic functions are sensitive to the Speaker's estimate of the pragmatic information of the Addressee at the moment of speaking. Consider the following two alternative expressions of one and the same underlying predication:

14.

The different intonational contour must be due to a different assignment of pragmatic functions. Consider:

15.
 
 
Top Page2.9. Fully specified predications
After the assignment of syntactic and pragmatic functions we have reached the level of fully specified clause structures. On the one hand the structure contains all the information required to determine the semantic content of the expression concerned, and, on the other, it has everything that is needed to trigger the expression rules, which will map the underlying clause structure onto the appropriate form.
 
Top Page2.10. Expression rules
The expression rules form the last component in the model. The Expression rules determine the way in which functional structures are mapped onto the morpho-syntactic structures of linguistic expressions. The following sorts of expression devices can be distinguished:

16.

Expression rules may be sensitive to operators and also to syntactic, semantic, and pragmatic functions. Semantic and syntactic functions, but especially pragmatic functions are relevant for expression rules concerning intonation and the order of constituents.

The actual ordering patterns found in a language are taken to be the result of a number of principles, some of which will be mentioned here.
  1. A language makes a basic choice between Prefield and Postfield ordering of the dependents with respect to their Center (= Predicate, Head Noun, or Adjective).
If this principle were the only principle determining constituent ordering, there would be only two language types, with the following ordering patterns:

17.

A second principle is:
  1. The Subject position precedes the Object position
This principle defines the following basic orders for Prefield and Postfield languages:

18.

Two other principles are:
  1. There is a universally relevant clause-initial special postion P1, which is used for special purposes, including the placement of constituents with Topic or Focus function.
  2. Other things being equal, constituents prefer to be placed in order of increasing complexity, where complexity of constituents is defined as follows:
Clitic < Pronoun < Noun Phrase < Adpositional Phrase < Subordinate clause

This hierarchy  is usually referred to as LIPOC (Language Independent Preferred Order of Constituents).

Given these principles, it is possible to formulate a basic functional pattern underlying clauses. Consider (19) where P2 and P3 indicate the positions for extra-clausal constituents.

19.

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