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There is a lingering problem with the auxiliaries that stems from the fact that
there currently is no way to distinguish between the main verb and auxiliary verb
behaviors for a given letter string within the morphology. This situation
results in many unacceptable sentences being successfully parsed by the system.
Examples of the unacceptable sentences are given below.
(424)0(424
- (425)
- the miller cans tell a good story . (vs the farmer cans peaches in July .)
(425)0(425
- (426)
- David wills have finished by noon . (vs the old man wills his fortune to me .)
(426)0(426
- (427)
- Sarah needs not leave . (vs Sarah needs to leave .)
(427)0(427
- (428)
- Jennifer dares not be seen . (vs the young woman dares him to do the stunt .)
(428)0(428
- (429)
- Lila does use to like beans . (vs Lila does use her new cookware .)
XTAG Project
http://www.cis.upenn.edu/~xtag