-- adverbs

AdjAdv. Adv ::= A "+ly" ;
AdvPP.  Adv ::= PP ;
PrepNP. Adv ::= Prep NP ;

-- NO AdvCN
AdvVP.  VP  ::= VP Adv ;
AdvNP.  NP  ::= NP Adv ;
AdvAP.  AP  ::= AdA AP ;
AdvAdv. Adv ::= AdA Adv ;

-- different from AdvVP!

VP ::= AdV VP ;

-- lexicon

Prep ::= "of" | "to" ;
Adv  ::= "here" ;
AdA  ::= "very" ;
AdV  ::= "always" ;