In addition to its phonological and nonverbal differences,
the non referential there has certain syntactic properties that the deictic there does not share. One is that the nonreferential there is the subject of the clause; the deictic there is not. To prove this. We can see that the deictic there, since it is an adverb. Can be moves to another position in the sentence. This is not true of the nonreferential there because as the subject, it is always clause initial :