diff --git a/Use-Cases.md b/Use-Cases.md
index 646aaaf..bddf40e 100644
--- a/Use-Cases.md
+++ b/Use-Cases.md
@@ -9,6 +9,9 @@
 
  ![UML](http://i60.tinypic.com/addez5.png)
 
- 3. **Main formal use cases**
-
- //TODO
\ No newline at end of file
+ 3. **Main formal use cases**  
+                                   |
+ | Actors Name |                     Goal                    |
+|:-----------:|:-------------------------------------------:|
+| Lecturer    | Manage Course and communicate with students |
+| Student     | Follow the Course schedule and Submit tasks |
\ No newline at end of file