Ian Roberts’s scientific contributions

... In passives, while the external argument is "demoted" from its canonical subject position, in many languages it can be expressed through an ( Let's first take a look at the syntactic properties of the demoted argument in passive constructions, bearing in mind that it is often silent, not appearing in a by-phrase in the way just described. This demoted argument remains accessible for various syntactic processes; for instance, it can (i) control into purpose clauses, (ii) be associated with agentive adverbials, (iii) bind anaphors, and (iv) serve as an antecedent for pronouns (Jaeggli 1986;Roeper 1987;Baker et al. 1989). Property (i) is illustrated by the following English examples where the implicit agent (perhaps "the owners" in (7a) and "the police" in (7b)) corresponds to the unpronounced subject of the purpose clause. ...

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What's so anti-passive about the antipassive?