diff --git a/lib/src/experimental/NDPredTrans.probs b/lib/src/experimental/NDPredTrans.probs
index e6e45ebbe..9442be6d6 100644
--- a/lib/src/experimental/NDPredTrans.probs
+++ b/lib/src/experimental/NDPredTrans.probs
@@ -65312,4 +65312,7 @@ perfect_Chunk	5.751177721092363e-4
 perfect_neg_Chunk	5.751177721092363e-4
 past_perfect_Chunk	5.751177721092363e-4
 past_perfect_neg_Chunk	5.751177721092363e-4
-
+SFullstop		0.9
+SQuestmark		0.06
+SExclmark		0.01
+SUnmarked		0.03
diff --git a/lib/src/experimental/NDTrans.gf b/lib/src/experimental/NDTrans.gf
index a391d1e0b..c2401029b 100644
--- a/lib/src/experimental/NDTrans.gf
+++ b/lib/src/experimental/NDTrans.gf
@@ -8,9 +8,18 @@ abstract NDTrans =
   ,Chunk
               ** {
 flags
-  startcat=Phr;
+  startcat = TransUnit ;
 --  heuristic_search_factor=0.60;
 --  meta_prob=1.0e-5;
 --  meta_token_prob=1.1965149246222233e-9;
 
+cat
+  TransUnit ;
+
+fun
+  SFullstop  : Phr -> TransUnit ;
+  SQuestmark : Phr -> TransUnit ;
+  SExclmark  : Phr -> TransUnit ;
+  SUnmarked  : Phr -> TransUnit ;
+
 }
diff --git a/lib/src/experimental/NDTransChi.gf b/lib/src/experimental/NDTransChi.gf
index 36fd88dab..bac94e1ce 100644
--- a/lib/src/experimental/NDTransChi.gf
+++ b/lib/src/experimental/NDTransChi.gf
@@ -11,5 +11,13 @@ concrete NDTransChi of NDTrans =
 flags 
   literal=Symb ;
 
+lincat
+  TransUnit = {s : Str} ;
+
+lin
+  SFullstop p = {s = p.s ++ fullstop_s} ;
+  SQuestmark p = {s = p.s ++ questmark_s} ;
+  SExclmark p = {s = p.s ++ exclmark_s} ;
+  SUnmarked p = {s = p.s} ;
 }
 
diff --git a/lib/src/experimental/NDTransEng.gf b/lib/src/experimental/NDTransEng.gf
index 3b4e8fb76..bcc534ebf 100644
--- a/lib/src/experimental/NDTransEng.gf
+++ b/lib/src/experimental/NDTransEng.gf
@@ -11,4 +11,13 @@ concrete NDTransEng of NDTrans =
 flags 
   literal=Symb ;
 
+lincat
+  TransUnit = {s : Str} ;
+
+lin
+  SFullstop p = {s = p.s ++ "."} ;
+  SQuestmark p = {s = p.s ++ "?"} ;
+  SExclmark p = {s = p.s ++ "!"} ;
+  SUnmarked p = {s = p.s} ;
+
 }
diff --git a/lib/src/experimental/NDTransFin.gf b/lib/src/experimental/NDTransFin.gf
index a0c9b2927..bdabf9baa 100644
--- a/lib/src/experimental/NDTransFin.gf
+++ b/lib/src/experimental/NDTransFin.gf
@@ -12,5 +12,14 @@ concrete NDTransFin of NDTrans =
 flags 
   literal=Symb ;
 
+lincat
+  TransUnit = {s : Str} ;
+
+lin
+  SFullstop p = {s = p.s ++ "."} ;
+  SQuestmark p = {s = p.s ++ "?"} ;
+  SExclmark p = {s = p.s ++ "!"} ;
+  SUnmarked p = {s = p.s} ;
+
 }
 
diff --git a/lib/src/experimental/NDTransSwe.gf b/lib/src/experimental/NDTransSwe.gf
index d8e4e1e81..ae7750671 100644
--- a/lib/src/experimental/NDTransSwe.gf
+++ b/lib/src/experimental/NDTransSwe.gf
@@ -11,5 +11,14 @@ concrete NDTransSwe of NDTrans =
 flags 
   literal=Symb ;
 
+lincat
+  TransUnit = {s : Str} ;
+
+lin
+  SFullstop p = {s = p.s ++ "."} ;
+  SQuestmark p = {s = p.s ++ "?"} ;
+  SExclmark p = {s = p.s ++ "!"} ;
+  SUnmarked p = {s = p.s} ;
+
 }