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HEAD
are used to buildare used to build
- a way to describe a given language's syntax and are closely associated with the early stages of transformational grammar. - - used to break down a natural language sentence into its constituent parts (also known as syntactic categories)
namely phrasal categories and lexical categories
(aka parts of speech).
Phrase Structure Rules
Some words seem to belong together:
{The crazy man} {is jumping off the bridge}
Groups of words that belong together are called constituents
The component that determines the properties of the constituent is the head, and the constituent can be referred to as a phrase: e.g. NOUN PHRASE (NP)
1. Syntax is basically the structure of sentences.
2. Modal of Syntactic Investigation:
Five-Rank Hierarchy (Crystal, 1995)
Sentences Sentences
are analyzed into are used to build
Clauses Clauses
are analyzed into are used to build
Phrases Phrases
are analyzed into are used to build
Words Words
are analyzed into are used to build
Sounds Sounds
are analyzed into are used to build