Advanced Tree-Structures

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Advanced Tree-Structures

• Incorporating sentence types in a unified
  description
• tt

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Did Homer write the Oddity?
(Operator Phrase S)
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When did Homer write the Oddity?
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What did Homer write?
Cf. the echo-question Did Homer write what?
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What did Homer write?
what
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Who wrote The Oddity? Cf. Who did write the
Oddity? - without V-movement
who
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Homer wrote the Oddity. Cf. Homer did write the
Oddity - without V-movement
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Reality of traces
Nothing between want and to, so contraction is OK
There is a trace between want and to, so
contraction is NOT OK