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| In the UNL framework, '''Subcategorization Frames''' are the number and types of syntactic arguments that co-occurs with the lemma in a sentence.
| | #REDIRECT [[Subcategorization frames]] |
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| == When to use subcategorization frames ==
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| Subcategorization frames are mandatory for words that take one or more syntactic argument, such as:
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| * intransitive verbs ('sleep', 'rain')
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| * direct transitive verbs ('kill', 'kiss')
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| * indirect transitive verbs ('depend', 'rely')
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| * ditransitive verbs ('give')
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| * deverbals ('arrival', 'construction')
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| * adjectives that require a complement ('loyal', 'interested')
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| * adverbs that require a complement ('contrarily to')
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| * prepositions ('in', 'after', 'near', 'instead')
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| * conjunctions ('because', 'and', 'but')
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| Subcategorization frames are optional for words that take no syntactic argument, such as: | |
| * nouns ('table', 'computer')
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| * adjectives ('beautiful', 'intelligent')
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| * adverbs ('yesterday', 'here')
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| * determiners ('the', 'this')
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| * pronouns ('he', 'yours')
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| == Syntax ==
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| Subcategorization frames should comply with the '''[[S-Rule]]''' formalism for writing syntactic rules in the UNL framework.
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| == Examples ==
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| === Adjectives ===
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| *BEAUTIFUL
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| **There is no need for a semantic frame.
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| *LOYAL (TO)
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| **JC(PP("to"));
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| ***The complement of the adjective (JC) is a prepositional phrase (PP) whose head is "to".
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| *INTERESTED (IN)
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| **JC(PP("in"));
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| ***The complement of the adjective (JC) is a prepositional phrase (PP) whose head is "to".
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| === Adverbs ===
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| *HERE
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| **There is no need for a semantic frame.
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| *CONTRARILY (TO)
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| **AC(PP("to"));
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| ***The complement of the adverb (AC) is a prepositional phrase (PP) whose head is "to".
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| === Nouns ===
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| *TABLE
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| **There is no need for a semantic frame.
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| *CONSTRUCTION (OF)
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| **NC(PP("of"));
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| ***The complement of the noun (NC) is a prepositional phrase (PP) whose head is "of"
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| === Prepositions ===
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| *NEAR(TO)
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| **PC(PP("to"));
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| ***The complement of the preposition (PC) is a prepositional phrase (PP) whose head is "to".
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| *IN
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| **PC(NP);
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| ***The complement of the preposition (PC) is a noun phrase (NP).
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| === Verbs ===
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| *INTRANSITIVE ("sleep")
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| **VS(NP,NOM,>NUM,>PER);
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| ***The subject (specifier of the verb = VS) is a noun phrase (NP) that receives the nominative case (NOM) and that assigns the number (>NUM) and the person (>PER) agreement to the head
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| *COPULA ("be")
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| **VS(NP,NOM,>NUM,>PER),VC({NP,JP}, NOM);
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| ***The subject (specifier of the verb = VS) is a noun phrase (NP) that receives the nominative case (NOM) and that assigns the number (>NUM) and the person (>PER) agreement to the head, and the complement of the verb (VC) is either a noun phrase (NP) or an adjective phrase (JP), that receives the nominative case (NOM) as well.
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| *DIRECT TRANSITIVE ("kill")
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| **VS(NP,NOM,>NUM,>PER), VC(NP,ACC);
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| ***The subject (specifier of the verb = VS) is a noun phrase (NP) that receives the nominative case (NOM) and that assigns the number (>NUM) and the person (>PER) agreement to the head, and the complement of the verb (VC) is a noun phrase (NP) that receives the accusative case (NOM).
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| *INDIRECT TRANSITIVE ("depend")
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| **VS(NP,NOM,>NUM,>PER),VC(PP("on"),ACC);
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| ***The subject (specifier of the verb = VS) is a noun phrase (NP) that receives the nominative case (NOM) and that assigns the number (>NUM) and the person (>PER) agreement to the head, and the complement of the verb (VC) is a prepositional phrase (PP) whose head is "on". The PP receives the accusative case (ACC).
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| *DITRANSITIVE ("give")
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| **VS(NP,NOM,>NUM,>PER), VC(NP,ACC), VC(PP("to"),DAT);
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| ***The subject (SPEC) is a noun phrase (NP) that receives the nominative case (NOM) and that assigns the number (>NUM) and the person (>PER) agreement to the head, and there are two complements: a noun phrase (NP), that receives the accusative case (ACC), and a prepositional phrase (PP), whose head is "to", and that receives the dative case (DAT).
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