diff --git a/src/malay/CatMay.gf b/src/malay/CatMay.gf
index 4496f52bb..3970520c2 100644
--- a/src/malay/CatMay.gf
+++ b/src/malay/CatMay.gf
@@ -1,4 +1,4 @@
-concrete CatMay of Cat = CommonX ** open ResMay, Prelude in {
+concrete CatMay of Cat = CommonX - [IAdv] ** open ResMay, Prelude in {
 
   flags optimize=all_subs ;
 
@@ -27,6 +27,7 @@ concrete CatMay of Cat = CommonX ** open ResMay, Prelude in {
     IDet = ResMay.Determiner ;  -- interrogative determiner            e.g. "how many"
     IQuant = ResMay.IQuant ;     -- interrogative quantifier            e.g. "which"
     IP = ResMay.IPhrase ;    -- interrogative pronoun               e.g. "who"
+    IAdv = ResMay.IAdv ;
 
 --2 Subord clauses and pronouns
 
diff --git a/src/malay/GrammarMay.gf b/src/malay/GrammarMay.gf
index 024f69534..9c643f4b2 100644
--- a/src/malay/GrammarMay.gf
+++ b/src/malay/GrammarMay.gf
@@ -9,10 +9,10 @@ concrete GrammarMay of Grammar =
   RelativeMay,
   ConjunctionMay,
   PhraseMay,
-  TextX,
+  TextX - [IAdv],
   StructuralMay,
   IdiomMay,
-  TenseX - [AAnter, TFut, TCond]
+  TenseX - [AAnter, TFut, TCond, IAdv]
   ** open ParamX in {
 
   flags startcat = Phr ;
diff --git a/src/malay/QuestionMay.gf b/src/malay/QuestionMay.gf
index 880dec222..f6f545fb3 100644
--- a/src/malay/QuestionMay.gf
+++ b/src/malay/QuestionMay.gf
@@ -50,10 +50,16 @@ lin
 
   -- : IAdv -> Cl -> QCl ;    -- why does John walk
   QuestIAdv iadv cls = {
-    pred = \\vf,pol => cls.pred ! Root ! pol  ++ iadv.s;
-    subj = cls.subj ;
+    subj = case iadv.isPre of {
+      True => iadv.s ++ cls.subj ; False => cls.subj
+    } ;
+    pred = \\vf,pol => case iadv.isPre of {
+      True => cls.pred ! Root ! pol ;
+      False => cls.pred ! Root ! pol ++ iadv.s
+    } ;
   } ;
 
+-- \\vf,pol,posadv =>
   --   {
   --   pred = \\vf,pol => ip.s ++ vp.s ! vf ! pol;
   -- } ;
diff --git a/src/malay/ResMay.gf b/src/malay/ResMay.gf
index ed4b6c06d..30fed90f7 100644
--- a/src/malay/ResMay.gf
+++ b/src/malay/ResMay.gf
@@ -222,7 +222,13 @@ oper
 ------------------
 -- Adv
 
-  Adverb : Type = SS ;
+  Adverb : Type = {
+    s : Str;
+  } ;
+
+  IAdv : Type = Adverb ** {
+    isPre : Bool ;
+  } ;
 
 ------------------
 -- VP
diff --git a/src/malay/StructuralMay.gf b/src/malay/StructuralMay.gf
index e0dcc8dc2..057909bf4 100644
--- a/src/malay/StructuralMay.gf
+++ b/src/malay/StructuralMay.gf
@@ -20,9 +20,10 @@ lin how_IAdv = ss "" :
 lin how8much_IAdv = ss "" ;
 lin when_IAdv = ss "" ;
 -}
-lin where_IAdv = ss "mana" ;
+lin where_IAdv = { s = "mana"; isPre = False } ;
+lin why_IAdv = {s = "mengapa"; isPre = True } ;
 {-
-lin why_IAdv = ss "" :
+
 
 lin always_AdV = ss "" ;
 
diff --git a/src/malay/unittest/questions.gftest b/src/malay/unittest/questions.gftest
index 8272195f4..f80996b40 100644
--- a/src/malay/unittest/questions.gftest
+++ b/src/malay/unittest/questions.gftest
@@ -32,4 +32,8 @@ LangMay: kucing apa mengajar dia
 
 Lang: UseQCl (TTAnt TPast ASimul) PPos (QuestIAdv where_IAdv (PredVP (UsePron youSg_Pron) (UseV go_V)))
 LangEng: where did you go
-LangMay: awak pergi mana
\ No newline at end of file
+LangMay: awak pergi mana
+
+Lang: UseQCl (TTAnt TPast ASimul) PPos (QuestIAdv why_IAdv (PredVP (UsePron youSg_Pron) (UseV go_V)))
+LangEng: why did you go
+LangMay: mengapa awak pergi
\ No newline at end of file