Of these interrogative pronouns, only " man " who and " mu " what may substitute for either the subject or the object of a verb, obligatorily appearing at the beginning of the interrogative clause.
32.
Both yes no questions and who " is the only interrogative pronoun to still show inflection for case, with the variant " whom " serving as the objective case form, although this form may be going out of use in many contexts.
33.
The subclass of complementizers includes mana when, if, mbandam�r until, and interrogative pronouns me whichever, mende like what, muma from where, manda wherever, mumba whatever and m�me how big . ( Boev?and Boev? 1999 : 65-69)
34.
Old Bulgarian relative pronouns 865, O65 and 565 ( " which, " masculine, feminine, neuter ) were at that time replaced by interrogative pronouns with the suffix-B > : : > 9B > , : > OB > , : > 5B > .
35.
Relative clauses, which always follow ( rather than precede ) their head, may be simply juxtaposed clauses, or introduced by the article " ne ", the general complementizer " ka " or the interrogative pronoun " k?" ( the last two being distinguished phonologically in various ways in the dialects ).
36.
Interrogative pronouns that are replacing an adjunct ( as, for instance, " when ? " or " why ? " ) usually occur at the beginning of the sentence, while those replacing arguments ( " who ? ", " what ? ", etc . ) often stay in the position of the replaced word.