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Figure 4: Filler and Gap in a Question Example 1. The filler is displayed in gray and the Gap in blue. |
Figure 6: Filler and Gap in a Question Example 2. The filler is displayed in gray and the Gap in blue. |
%subject interrogative
s(F-F) --> wh, vp(F-F,fin).
%object interrogative
s(F-F) --> wh, aux, np(F-F), vp([gap(np)|F]-F, inf).
vp(F-G, FIN) --> v(1, FIN),np(F-G).
vp(F-G, FIN) --> v(2, FIN),np(F-H),pp(H-G).
Auxiliary and a wh-pronouns are added to the lexicon straight forward: % auxiliary
aux --> [does].
% wh-pronoun
wh --> [who].
The annotation of verbs as being finite or not is achieved by adding a new feature:
v(1,inf) --> [like].
v(1,fin) --> [likes].
Finally, we have said that relative constructions are a case of unbounded dependencies: an arbitrary amount of material may stand between the gap and the extracted and moved noun phrase. The same holds for wh-questions: From a sentence like Harry said that a witch likes Ron. we can get to the questionFigure 8: An Illustration for Unbounded Dependencies 1. The filler is displayed in gray and the Gap in blue. |
Figure 10: An Illustration for Unbounded Dependencies 2. The filler is displayed in gray and the Gap in blue. |
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