Confusion can occur between subordinate conjunctions and prepositions:
Confusion can occur between the relative pronoun `que' and the subordinate conjunction `que':
Test:
Given P,
clauses:
If X has an antecedent in P and if it realises the position of an argument of the
verb of
,
then X is a relative pronoun, otherwise, if X has no antecedent in P and if it does not realise a verb argument,
then X/pos=conjunction & type=subord.
Confusion can occur between the pos values pronoun and conjunction:
Test:
Given P,
clauses:
If X realises in
a verb argument position and if
is a syntactic
construction of a certain verb of P, such as `demander', then X is an interrogative pronoun; otherwise,
if X does not realise in
a verb argument position and if
is not a syntactic construction
of a certain verb
of P, such as `demander', then X is a subordinate conjunction.