added to ExtraEng constructs needed in queries

lib/src/abstract/Extra.gf

@@ -69,5 +69,20 @@ abstract Extra = Cat ** {
     ConjCN : Conj -> [CN] -> CN ; -- (every) man and woman
 
     PartVP : VP -> AP ; -- looking at Mary
-        
+
+  cat 
+    QVP ;          -- buy what where
+    [IAdv] {2} ;   -- when and where
+  fun
+    ComplSlashIP  : VPSlash -> IP -> QVP ;   -- buys what 
+    AdvQVP        : VP  ->   IAdv -> QVP ;   -- lives where 
+    AddAdvQVP     : QVP ->   IAdv -> QVP ;   -- buys what where 
+
+    QuestQVP      : IP -> QVP -> QCl ;       -- who buys what where
+
+    ConjIAdv      : Conj -> [IAdv] -> IAdv ; -- when, where and with whom
+
+    AdvAP : AP -> Adv -> AP ;  -- hungry as a wolf
+
+    UseCopula : VP ;
 }