diff --git a/lib/resource-1.0/abstract/Common.gf b/lib/resource-1.0/abstract/Common.gf
index aed4fe355..a8e71543c 100644
--- a/lib/resource-1.0/abstract/Common.gf
+++ b/lib/resource-1.0/abstract/Common.gf
@@ -20,24 +20,16 @@ abstract Common = {
 
 -- Constructed in [Text Text.html]: $Text$.
 
-    Text ;   -- text consisting of several phrases
-    Phr ;    -- phrase in a text                    e.g. "But come here my darling."
+    Text ;  -- text consisting of several phrases  e.g. "He is here. Why?"
+    Phr ;   -- phrase in a text                    e.g. "But get out please."
 
 -- Constructed in [Phrase Phrase.html]: $Phr$ and
 
     Utt ;   -- sentence, question, word...         e.g. "be quiet"
     Voc ;   -- vocative or "please"                e.g. "my darling"
     PConj ; -- phrase-beginning conj.              e.g. "therefore"
-
     SC ;    -- embedded sentence or question       e.g. "that it rains"
 
-    SC ;
-    Adv ; 
-    AdV ; 
-    AdA ; 
-    AdS ; 
-    AdN ;
-
 --2 Adverbs
 
 -- Constructed in [Adverb Adverb.html].  
@@ -50,9 +42,11 @@ abstract Common = {
     IAdv ;  -- interrogative adverb                e.g. "why"
     CAdv ;  -- comparative adverb                  e.g. "more"
 
-    Pol ;
-    Tense ;
-    Ant ;
+--2 Tense, polarity, and anteriority
+
+    Tense ; -- tense: present, past, future, conditional
+    Pol ;   -- polarity: positive, negative
+    Ant ;   -- anteriority: simultaneous, anterior
 
   fun
     PPos, PNeg : Pol ;             -- I sleep/don't sleep
diff --git a/lib/resource-1.0/common/ConstructX.gf b/lib/resource-1.0/common/ConstructX.gf
new file mode 100644
index 000000000..387267c05
--- /dev/null
+++ b/lib/resource-1.0/common/ConstructX.gf
@@ -0,0 +1,18 @@
+resource ConstructX = open CommonX in {
+
+  oper
+    mkText : Str -> Text = \s -> {s = s ; lock_Text = <>} ; 
+    mkPhr  : Str -> Phr  = \s -> {s = s ; lock_Phr = <>} ; 
+    Utt = {s : Str} ;
+    Voc = {s : Str} ;
+    SC  = {s : Str} ;
+    Adv = {s : Str} ; 
+    AdV = {s : Str} ; 
+    AdA = {s : Str} ; 
+    AdS = {s : Str} ; 
+    AdN = {s : Str} ;
+    IAdv = {s : Str} ;
+    CAdv = {s : Str} ;
+    PConj = {s : Str} ;
+
+}
\ No newline at end of file