'how many' has correct standalone form and plural noun

src/malay/PhraseMay.gf

@@ -7,12 +7,12 @@ concrete PhraseMay of Phrase = CatMay ** open Prelude, ResMay in {
     UttQS qs = qs ;
     UttIAdv iadv = iadv ;
     UttNP np = {s = np.s ! Bare} ;
+    UttIP ip = {s = ip.sp ! NF Sg Bare} ;
 {-
     UttImpSg pol imp =
     UttImpPl pol imp =
     UttImpPol = UttImpSg ;
 
-    UttIP ip = {s = ip.s ! } ;
     UttVP vp = {s = } ;
     UttAdv adv = {s = } ;
     UttCN n = {s = } ;

src/malay/QuestionMay.gf

@@ -8,7 +8,9 @@ concrete QuestionMay of Question = CatMay ** open
 -- determiners, with or without a noun.
 lin
   -- : IDet -> CN -> IP ;       -- which five songs
-  IdetCN idet cn = NM.DetCN idet cn ** {sp = idet.sp} ;
+  IdetCN idet cn = NM.DetCN idet cn ** {
+    sp = \\nf => idet.sp ! nf ++ cn.s ! nf
+  } ;
 
   -- : IDet       -> IP ;       -- which five
   IdetIP idet = NM.DetNP idet ** {sp = idet.sp};

src/malay/ResMay.gf

@@ -115,11 +115,12 @@ oper
     n = NoNum num ;
   } ;
 
-  mkIdet : Str -> Number -> Bool -> Determiner = \str, num, isPre -> mkDet str num ** {
+  mkIdet : Str -> Str -> Number -> Bool -> Determiner = \str, standalone, num, isPre -> mkDet str num ** {
     pr = case isPre of {True => str ; False => [] } ;
     -- if isPre is True, then: "berapa kucing"
     s = case isPre of { False => str ; True => [] };
 
+    sp = \\_ => standalone ;
   } ;
 
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src/malay/StructuralMay.gf

@@ -53,7 +53,7 @@ lin and_Conj = {s2 = "dan" ; s1 = [] ; n = Pl} ;
 -- *Det and Quant
 
 
-lin how8many_IDet = mkIdet "berapa banyak" Pl True;
+lin how8many_IDet = mkIdet "berapa" "berapa banyak" Sg True;
 {-}
 lin all_Predet = {s = ""} ;
 lin not_Predet = { s = "" } ;