0 | empty operator |
* | unspecified empty constituent |
*arb* | arbitrary PRO subject in ECM infinitives |
*con* | subject elided under conjunction |
*exp* | empty expletive subject |
*pro* | "small pro" subject |
*ICH* | non-wh trace |
*T* | wh-trace |
Phrase Labels Word Labels Word-or-Phrase Labels Suffix Labels Table of Contents |