Moreover, some simple rules can be used to join constituents and fix a considerable portion of the mismatches (Toutanova, Haghighi, and Manning 2005).
finally, although predicates are typically expressed as verbs, and thus much work in both linguistics and SRL focuses on them, some nouns and adjectives may be used predicatively, assigning their own roles to entities (as in the adjective phrase proud that we finished the paper, where the subordinate clause is a Theme argument of the adjective proud).