diff --git a/src/main/java/TP1/TurtleAST.java b/src/main/java/TP1/TurtleAST.java
index a053d9c..6d0f0c3 100644
--- a/src/main/java/TP1/TurtleAST.java
+++ b/src/main/java/TP1/TurtleAST.java
@@ -69,4 +69,8 @@ public class TurtleAST {
     public void finishNtriple(){
         this.ntriple = new NtripleImp(listPhrases);
     }
+
+    public String toString(){
+        this.ntriple.toString();
+    }
 }