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A sentence diagram is a pictorial representation of the grammatical structure of a sentence. The term "sentence diagram" is used more when teaching written language, where sentences are diagrammed. The model shows the relations between words and the nature of sentence structure and can be used as a tool to help recognize which potential ...
Before the emergence of the X-bar theory, thus in the period between Chomsky (1957) [4] and Jackendoff (1977), [5] syntactic structures were represented based on phrase structure rules (PSR). The man studies linguistics enthusiastically. This sentence involves the following five PSRs: S → NP VP; NP → Det N (the man) NP → N (linguistics)
In other words, the whole sentence is not categorized as a noun phrase or a verb phrase, but as a new unit—a sentence—which is an exocentric construction. The rule S → NP VP demonstrates how the combination of these parts creates a new structure that doesn’t directly reflect the properties of its individual components.
The two diagrams thus disagree concerning the status of do, diagrams, show, and do these diagrams show us, the phrase structure diagram showing them as constituents and the dependency grammar diagram showing them as non-constituents. To determine which analysis is more plausible, one turns to the tests for constituents discussed above.
Phrase structure rules break sentences down into their constituent parts. These constituents are often represented as tree structures (dendrograms). The tree for Chomsky's sentence can be rendered as follows: A constituent is any word or combination of words that is dominated by a single node. Thus each individual word is a constituent.
"The boy saw the lady with the telescope", in which the ambiguous phrase with the telescope could modify the boy saw or the lady.) [11] A third type of sentence that challenges parsing ability is center embedding, in which phrases are placed in the center of other similarly formed phrases (i.e. "The rat the cat the man hit chased ran into the ...