Constituents
Sentences Are built up in units
Some groups fo words in a sentence are constituents, some aren’t
Native speakers have intuitions about this
constituency is hierarchical
Constituents are nested inside other constituents
constituency is relative
To a particular sentence
Group fo words can be a constituent in one sentence but not in other
syntactic knowledge
Our syntactic knowledge = lexical categories of words in a sentence
Which groups of words in a sentence are constituents
Rules in mental grammar tells us which possible constituents are in our language and how to assemble them
trees
Sentence has internal hierarchical structure
Represented as tree
Trees represent fact that words are grouped into phrases with in a sentence
Each node in tree = constituent, some are phrases, some are words
phrases
Have categories
Noun phrases, verb phrases
phrasal categories
Nps can be replaced by nouns - intersubstitutability
Constituent types
Come in diff types
Sentences = constituents - S
NP, PP, VP, AP
what do phrases consist of
Obligatory head = gives phrase its identify
Also may contain other elements = dependents
evidence for structure
Constituency tests
Replacement of sequence of words with single word
pronominalization
Some words are pro forms = given right context, they can replace a constituent of a given category without changing the meaning
pro-nps
Pronouns are pro-nps
The dog ate the bone —> he ate the bone
Every word level category = in a sentence level category, noun =part of np
pro-vps
Do so - did so - does so = pro-VPs
John ate the bone, the dog did so too
Do so = replaces verb and all of its dependents
Only - specific pronominal form, not everything has pro-forms
non constituents
Test failure = can mean sequence of words is a constituent of wrong category or simplify not a constituent at all
Containing N doesn’t mean sequence is NP, contains V doesn’t mean sequence VP
(Categories don’t occupy same position)
short answers
Only constituents can stand alone in answer to question
- the police arrested the demonstrators —> q= who did the police arrest a= the demonstrators
coordination
With and, or, but
Only constituents of same category can be coordinated
The dog ate the bone —> the dog and John ate the both
movement
Can move sequence of words around in sentence = they are constituent
Diff types of movement tests - like topicalization
topicalization as a constituency test
Constituent placed at beginning of sentence without changing meaning
I like this dog —> this dog, i like
Have to have right context in mind
Can’t front a verb phrase tho = no, mostly good for noun phrases and adverbial phrases