A semantic constraint on wh-movement. Extended events and extraction from in 'order' clauses

The existence of well-formed cases of wh-movement out of adjuncts constitutes a challenge to current locality theories. However, the fact that such extractions are not universally well-formed leaves an empirical hole in any theory which simply removes the adjunct condition without putting anything in its place. I show that the patterns of legitimate extraction out of adjuncts can be described in terms of an independently motivated theory of the internal structure of events. This means that our syntactic theory of locality needs to be supplemented by independent semantic well-formedness conditions on wh-movement.