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Syntactic structure in familiar and exotic languages . Richard Hudson Krakow, October 2009. Plan. Understanding syntactic structure Showing syntactic structure Teaching syntactic structure Using syntactic structure. verb. preposition. 1. Understanding syntactic structure.
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Syntactic structure in familiar and exotic languages Richard Hudson Krakow, October 2009
Plan • Understanding syntactic structure • Showing syntactic structure • Teaching syntactic structure • Using syntactic structure
verb preposition 1. Understanding syntactic structure • For example: Time flies like an arrow and fruit flies like a banana. Groucho Marx • The sentence-parts have: • different word classes. noun verb • but also different relations among words. • i.e. different syntactic structures
How to analyse syntactic structures? • Two theoretical traditions: • the old European tradition • the young American tradition • Poland contributed to the old tradition • Kazimierz Ajdukiewicz invented Categorial Grammar (1935) • But the young tradition dominates theory.
The old tradition • How old? • At least 1,000 years • in 8th century Arabic grammar from Basra and Kufa • Part of a much longer tradition of grammatical analysis • starting in Babylonia
Babylonia earliest written language, out of fashion new, semitic, in fashion Akkadian Babylon Sumerian
4000 years ago!!! NB!!! We – you – they (in that order)
Syntactic structure: old tradition • Among the units, words are basic. • but also some word-combinations: • clauses and prepositional phrases • Syntactic relations: • relate words directly to one another. • are classified: • subject • object, etc.
The new tradition • Invented in 1933 in USA • by Leonard Bloomfield • Called ‘Immediate Constituent Analysis’ • then ‘Phrase structure grammar’ • Assumed by all leading theories • Chomsky: Minimalism • Head-driven Phrase Structure Grammar, etc.
Syntactic structure: new tradition • Units: • most units are ‘phrases’ – word groups • words have no special status • Relations: two primitive relations: • order: A before B • part-whole: A is part of B • but sometimes combined with ‘subject’ etc.
For example … fruit flies like a banana. • old tradition: the wordflies is subject of the wordlike • new tradition: the phrasefruit flies is the first part of the phrasefruit flies like a banana • no direct link between flies and like
Who cares? • Linguists care. • So they’ve formalised these traditions: • old = dependency grammar (no phrases) • new = phrase structure grammar (no classified relations) • Psychologists care too: • how do our minds handle syntax?
Claim: Our minds use dependency grammar • We recognise abstract classified relations in other areas • e.g. social relations: brother, cousin, colleague, friend, … • So why not in syntax? • e.g. fruit modifies flies, which is subject of like • But then phrase structure is redundant.
2. Showing syntactic structure • Complex structures need a notation. • geography has maps • music has musical notation • mathematics has formulae, graphs, etc. • Syntax needs a notation. • first introduced in 19th century • for teaching grammar in school
Standard notation for phrase structure OK before VP Time flies like an arrow. S VP OK after D PP agreement NP NP N V P D N
A notation for dependency structure Time flies like an arrow. adjunct complement subject s a c c N V P D N
The joke s a c Time flies like an arrow c N V P D N a s o c and fruit flies like a banana. N N V D N
3. Teaching syntactic structure Dependencies are relevant to: • meaning • agreement • selection • optionality • word order
Teaching meaning LIKE and PLEASE are synonyms, but … Him liking it feeler stimulus him it s o s o It pleased him. He liked it.
agreement Teaching agreement s a c Time flies like an arrow c N V P D N a s o c and fruit flies like a banana. N N V D N
Teaching selection selection c s c RELY selects ON He relies on her. predicative p s CAN selects an infinitive He can swim. extra dependency s infinitive o genitive SZUKAĆ selects a genitive Szukam prezentu. I seek present.
Teaching optionality • Some verbs demand an object, others allow one: He took it obligatory object He ate it optional object • Absent objects usually have indefinite meaning: He ate. = He ate something. *He made a sandwich and ate. • This is English. What about other languages?
Japanese o mo keeki-wa yaki-mashita-ka already cake-topic make- did - ? Have you baked a/the cake? o hai, yaki-mashita yes make-did • Most dependents are optional • When absent, they are definite
Why use dependencies? agreement Relations are abstract, not just word order: • ‘subject’, not ‘the noun before the verb’ • The man who we think knows the answer • ‘complement’, not ‘the noun after the verb’ • The man on whom she relies • ‘dependent’, not ‘nearby word’ s selection c
Teaching word order • All word-order rules use dependencies. • Many languages have very general rules. • Dependents take their position from the head: • freeorder: no restrictions • head-final: head follows all dependents • head-initial: head precedes all dependents • head-medial: head follows some dependents and precedes others.
Free order o s s o Marię kocha Jan Jan kocha Marię Polish o s o s kocha Jan Marię kocha Marię Jan s o s o kocha Jan Marię kocha Jan Marię
Head-final or -initial Japanese s shinbun-ga teburu-no ue-ni desu newspaper-subj table-’s top-on is Welsh Mi roddes i lyfr da i dad Eleri - gave I book good to father Eleri I gave a good book to Eleri’s father.
Head-medial English We dread cold weather just before Christmas. • Every dependent is either a pre-dependent or a post-dependent. • Every major word class allows both. • Why?
4. Using syntactic structure • Speakers use syntactic structure to combine words. • Hearers use it to combine meanings. • Therefore, we must hold words in memory until their dependencies are complete. • This places a load on memory. • No problem if dependencies are short.
Dependency distance • A word’s dependency distance is the number of words that separate it from its ‘parent’. That Cracow is a very beautiful city by any standards is clear. It is clear that Cracow is a very beautiful city by any standards. dd = 9 dd = 1
Some figures • Human minds are the same everywhere • so we expect similar dd figures in all languages. • Conversation: • English: 0.4 (mean dd) • Japanese: 0.4 • German: 0.9 • Chinese news: 1.89 • head-initial: 3.3 • Are these figures correct and typical? • If so, what do they tell us? ! !! !!!
Conclusions • Syntactic structure is important when teaching languages or learning them. • Dependency structure is better than phrase structure. • Structural analysis allows important generalisations. • Syntactic structure needs diagrams.
Dziękuję • This slide-show is available at www.phon.ucl.ac.uk/home/dick/talks/cracow.ppt • The theory is called Word Grammar www.phon.ucl.ac.uk/home/dick/wg.htm