====== Agent of action ======
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**//Agent//** is the semantic concept which is related both to [[syntax_subject|subject]] and topic of the sentence but may be distinct from them. It has no clear scientific definition but usually easy to determine from meaning. Agent is one of arguments of [[grammar_verb|verb]] (while another one called //[[syntax_patient|patient]]//), the initiator, cause, source or "doer" of an action expressed by [[syntax_predicate|predicate]]. In majority of Indo-European languages agent matches the subject of the sentence in active [[grammar_voice|voice]] ((example needed)). However, in //passive voice// agent is traditionally treated as the [[syntax_object|object]] of sentence ((example needed)).

When agent of action is unknown or is some force of nature, dummy subjects like English "it" or "there" are not used in Nûrlâm in such case, and therefore the sentence is transformed into [[syntax_impersonal|impersonal]] without changing the voice to passive, but it carries passive meaning.