diff --git a/src/turkish/ResTur.gf b/src/turkish/ResTur.gf
index ac7d3f423..e9546a7a6 100644
--- a/src/turkish/ResTur.gf
+++ b/src/turkish/ResTur.gf
@@ -66,4 +66,7 @@ resource ResTur = ParamX ** open Prelude, Predef, HarmonyTur in {
 
     no_Prep = mkPrep [] Acc;
     mkPrep : Str -> Case -> {s : Str; c : Case; lock_Prep : {}} = \s,c -> lin Prep {s=s; c=c};
+
+    mkClause : Str -> Verb -> {s : Str} =
+      \np, v -> ss "TODO" ;
 }