added AdvVPSlash and AdVVPSlash to VerbGer and an extended version of PPartNP which uses VPSlash in ParseEngGer. I guess the definitions so they might not be quite correct

lib/src/german/ParseEngGer.gf

@@ -34,6 +34,13 @@ lin
             insertObj vpi.p1 (
               predVGen v.isAux v)))) ;
 
+    PPartNP np sl = heavyNP {   -- guessed by KA, some fields in sl are ignored!!
+      s = \\c => np.s ! c ++ 
+                 sl.s.s ! VPastPart APred ++ 
+                 (sl.nn ! np.a).p1 ++ (sl.nn ! np.a).p2 ++ sl.a2;
+      a = np.a
+      } ;
+
 {-
 lin
   myself_NP = mkNP (mkPronoun "itse" "itsen" "itseä" "itsenä" "itseen" Sg P1) ;

lib/src/german/VerbGer.gf

@@ -80,6 +80,9 @@ concrete VerbGer of Verb = CatGer ** open Prelude, ResGer, Coordination in {
     AdvVP vp adv = insertAdv adv.s vp ;
     AdVVP adv vp = insertAdv adv.s vp ; -- not AdV 27/5/2012: nicht immer
 
+    AdvVPSlash vp adv = insertAdv adv.s vp ** {c2 = vp.c2} ;
+    AdVVPSlash adv vp = insertAdv adv.s vp ** {c2 = vp.c2} ;
+
     ReflVP vp = insertObj (\\a => appPrep vp.c2 
       (\\k => usePrepC k (\c -> reflPron ! a ! c))) vp ;