Table 1.

Sentence Types

Sentence Type	Example
Active (A)	The girl followed the boy.
Passive (P)	The girl was covered by the father.
Three Noun Phrases (3NP)	The niece said that the woman touched the girl.
Pronoun (PRO)	The daughter said that the woman held her.
Reflexive (REF)	The uncle said that the boy covered himself.
Cleft Subject (CS)	It was the boy who scratched the man.
Cleft Object (CO)	It was the man who the boy scratched.
Subject Object (SO)	The brother who the sister followed kissed the woman.
Subject Subject (SS)	The boy who hugged the girl chased the woman.
Subject Subject and Pronoun (SSPRO)	The nephew who touched the man washed him.
Subject Object and Pronoun (SOPRO)	The woman who the girl held touched her.
Subject Subject and Reflexive (SSREF)	The uncle who held the boy covered himself.
Subject Object and Reflexive (SOREF)	The nephew who the man touched scratched himself.

Experimental-Baseline contrasts used to examine effects of structures

Passive: P-A

Object Extraction: CO-CS, SO-SS, SOPRO-SSPRO, SOREF-SSREF

Pronouns: PRO-3NP, SSPRO-SS, SOPRO-SO

Reflexives: REF-3NP, SOREF-SO, SSREF-SS