Constraint-based Syntax 2: Week 3

The Phrase Hierarchy

Constraints on the Phrasal Types

Illustration of Constraint Inheritance

Since the type type{fin-vp} has several phrasal supertypes, a feature structure of that type must satisfy the following constraint:

Exercises

Parse the following expressions in the Schematic Grammar to test the constraints associated with the type phrase and its subtypes:

1. word subj_seeker
2. word spr_seeker
3. comp_seeker word

Now parse the following expressions in our Regular Grammar to see which information authentic lexical entries contribute to a phrase:

1. Real "subject seekers":

• dances
• likes Lilly

2. Real "specifier seekers":

• cat
• picture of Lilly

3. Real "complement seekers":

• likes Lilly
• puts the books on the shelf

After you have tried the examples above, think up 3 more examples for each of the 3 types above and try them out.

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