diff --git a/lab1/grammar/korean/MicroLangKor.gf b/lab1/grammar/korean/MicroLangKor.gf
index 356e8b8..532b67f 100644
--- a/lab1/grammar/korean/MicroLangKor.gf
+++ b/lab1/grammar/korean/MicroLangKor.gf
@@ -105,7 +105,7 @@ lin music_N = mkN "음악" ;
 -- lin now_Adv = mkAdv "지금" ;
 -- lin old_A = mkA "낡안" ;
 -- lin paris_PN = mkPN "Paris" ;
-lin play_V = mkV "놀" ;
+-- lin play_V = mkV "놀" ;
 -- lin read_V2 = mkV2 (mkV "read" "read" "read") ;
 -- lin ready_A = mkA "ready" ;
 -- lin red_A = mkA "red" ;
@@ -114,7 +114,7 @@ lin river_N = mkN "river" ;
 lin sea_N = mkN "바다" ;
 -- lin see_V2 = mkV2 (mkV "see" "saw" "seen") ;
 lin ship_N = mkN "ship" ;
-lin sleep_V = mkV "자" ;
+-- lin sleep_V = mkV "자" ;
 -- lin small_A = mkA "작은" ;
 lin star_N = mkN "별" ;
 -- lin swim_V = mkV "swim" "swam" "swum" ;
@@ -149,13 +149,4 @@ oper
 
   mkPrep : Str -> Prep
     = \s -> lin Prep {s = s} ;
-
-  mkV = overload {
-    mkV : Str -> V = \stem -> lin V {
-      s = table {
-	VPresent => stem + "어요" ;
-	VPast => stem + "었어요"
-	}
-      }
-    } ;
 }
diff --git a/lab1/grammar/korean/MicroResKor.gf b/lab1/grammar/korean/MicroResKor.gf
index 1921938..a1fd20e 100644
--- a/lab1/grammar/korean/MicroResKor.gf
+++ b/lab1/grammar/korean/MicroResKor.gf
@@ -1,10 +1,19 @@
 resource MicroResKor = open Prelude in {
   param
-    VForm = VPresent | VPast ;
+    VForm = Lemma | VPresent | VPast ;
 
   oper
     Noun : Type = {s : Str} ;
     Verb : Type = {s : VForm => Str} ;
     Verb2 : Type = Verb ;
     Adjective : Type = Verb ;
+
+    lemmaToStem : (lemma : Str) -> Str
+      = \lemma -> case lemma of {
+	stem + "다" => stem ;
+	_ => Predef.error ("lemmaToStem was applied to a non-lemma, " ++ lemma)
+      } ;
+
+    -- regVerb_eo : (lemma : Str) -> Verb
+      
 }