diff --git a/lib/resource-1.0/api/Constructors.gf b/lib/resource-1.0/api/Constructors.gf
index 94f570bd3..7fc3f7541 100644
--- a/lib/resource-1.0/api/Constructors.gf
+++ b/lib/resource-1.0/api/Constructors.gf
@@ -132,6 +132,12 @@ incomplete resource Constructors = open Grammar in {
       mkDet : Pron -> Det                      -- my (house)
       } ;
 
+   def_Det : Det ;   -- the (man)
+   indef_Det : Det ; -- a (man)
+   mass_Det : Det ;  -- (water)
+
+-- More determiners are available in the Structural module
+   
 
 --2 Numerals - cardinal and ordinal 
 
@@ -370,6 +376,12 @@ incomplete resource Constructors = open Grammar in {
                                          =    \p -> DetSg (SgQuant (PossPron p)) NoOrd
       } ;
 
+
+    def_Det : Det = DetSg (SgQuant DefArt) NoOrd ;   -- the (man)
+    indef_Det : Det = DetSg (SgQuant IndefArt) NoOrd ; -- a (man)
+    mass_Det : Det = DetSg MassDet NoOrd;  -- (water)
+
+
     mkNum = overload {
       mkNum : Num                -- [no num]
                                          =    NoNum       ;