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Partial treatment of free-relatives

Free relatives are only partially handled. All free relatives on non-subject positions and some free relatives on subject positions are handled. The structure assigned to free relatives treats the extracted wh-NP as the head NP of the relative clause. The remaining relative clause modifies this extracted wh-NP (cf. (269)-(271)).
what(ever) [w<<15292>>i [C [Mary likes i]]]  (269)0(269
where(ever) [w [C [Mary lives]]]  (270)0(270
who(ever) [w<<15299>>i [C [Muriel thinks [i likes Mary]]]] 

However, simple subject extractions without further emebedding are not handled (cf. (272)).

who(ever) [w<<15304>>i [C [i likes Bill]]] 

This is because ((271)) is treated exactly like the ungrammatical ((273)).

*the person [ w<<15310>>i [C [i likes Bill]]] 

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