Wh- words

List of tags

WADV wh-adverb
WD wh-determiner
WPRO wh-pronoun
WPRO$ wh-pronoun, possessive
WQ WHETHER

Wh- words that are used as interjections are tagged with the appropriate POS tag (not as INTJ). Their function is indicated at the phrasal level; see Interjection phrase (INTJP).

Wh-adverb (WADV)

Wh-adverbs (HOW, WHEN, WHENCE, WHERE, WHY) are tagged WADV. WHEN can also be tagged P. 
 
and_CONJ asked_VBD the_D kynge_N why_WADV he_PRO was_BED seke_ADJ

Where_WADV is_BEP he_PRO ?_,

But_CONJ the_D duke_N of_P Tyntigail_NPR aspyed_VBD hou_WADV the_D
kyng_N rode_VBD fro_P the_D syege_N of_P Tarabil_NPR

+tu_PRO mowe_MD isee_VB whanne_WADV he_PRO come+t_VBP in_RP

Than_ADV he_PRO tolde_VBD hir_PRO$ of_P whens_WADV he_PRO was_BED

Wh-determiner (WD)

When followed by a noun, WHAT and (THE) WHICH are tagged WD. When not followed by a noun, they are tagged WPRO. Note the difference between ordinary determiners and wh- words in this regard. 
 
by_P whiche_WD lawe_N +tey_PRO schulde_MD knowe_VB God_NPR and_CONJ
worschippe_VB hym_PRO

+te_D whiche_WD prophete_N and_CONJ lawe_N +te_D Saracenes_NPRS shold_MD
folowe_VB

and_CONJ he_PRO axede_VBD ... what_WD men_NS +tey_PRO were_BED ,_,
and_CONJ of_P what_WD con-dicioun_N and_CONJ professioun_N

to_TO see_VB what_WD ende_N +te_D bataille_N schulde_MD have_HV

Wh-pronoun (WPRO, WPRO$)

WPRO is assigned to WHO, to WHETHER in the meaning WHICH OF TWO, and to WHAT and (THE) WHICH when these are not followed by a noun. When followed by a noun, WHAT and WHICH are tagged WD. Note the difference between ordinary determiners and wh- words in this regard. 
what_WPRO +tou_PRO hast_HVP sette_VBN on_P fyre_N +tat_D ha+t_HVP
i-brene_VBN on_P +te_PRO

he_PRO wolde_MD make_VB hym_PRO here_PRO$ prince_N whom_WPRO +te_D
Holy_NPR Goost_NPR wolde_MD schewe_VB in_P colveres_N$ liche_N

by_P +te_D whiche_WPRO +tei_PRO fonde+t_VBD to_TO lette_VB holy_ADJ
men_NS

than_ADV there_EX began_VBD a_D new_ADJ batayle_N whych_WPRO was_BED
sore_ADJ and_CONJ harde_ADJ

The tag for WHOSE is WPRO$. 

 
he_PRO asked_VBD hir_PRO ... whos_WPRO$ was_BED the_D child_N within_P
her_PRO$ body_N

and_CONJ by_P whoos_WPRO$ commandement_N