diff --git a/flap/src/hopix/hopixInterpreter.ml b/flap/src/hopix/hopixInterpreter.ml
index 03c9b9e..ad5d4e6 100644
--- a/flap/src/hopix/hopixInterpreter.ml
+++ b/flap/src/hopix/hopixInterpreter.ml
@@ -352,13 +352,24 @@ and value_definition runtime = function
         (expression' runtime.environment runtime.memory expr)
     in
     { runtime with environment = env' }
-  | RecFunctions _rf ->
+(*
+  | RecFunctions _rf -> let env' = define_rec_functions environment _rf 
+    in
+    { runtime with environment = env' }
+    
     (* Ici on ajoute les noms des fonctions à l'environnement
      * pour qu'elles puissent s'appeller dans leur corps de fonction
      * => Retourne l'environnement modifié *)
     (* TODO *)
     runtime
 
+
+    (* TODO : commentaire explicatif *)
+and define_rec_functions env _rf = 
+  let environment = List.fold_left (fun env (id,_,_) ->
+    Environment.bind env (id.value) VUnit) env _rf (* En gros ici on bind toute les fonctions de l'env avec VUnit*)
+  in
+*)
 and expression' environment memory e =
   expression (position e) environment memory (value e)
 
@@ -372,12 +383,12 @@ and expression _pos environment _memory = function
   | Variable (id, _) ->
     (* On cherche l'id dans l'environnement *)
     Environment.lookup id.position id.value environment
-  | Tagged _ ->
+  | Tagged(constructor,_,list_t) -> (* On ignore le type car on interprète *)
     (* TODO *)
-    failwith "Students! This is your job (Tagged)!"
-  | Record _ ->
-    (* TODO *)
-    failwith "Students! This is your job (Record)!"
+    VTagged(constructor.value, List.map(expression' environment _memory) list_t)
+  | Record(label,list_r) -> failwith ("Todo corriger l'erreur de type")
+    (*TODO : réparer *)
+    (*VRecord(List.map(label.value,  expression' environment _memory) list_r)*)
   | Field _ ->
     (* TODO *)
     failwith "Students! This is your job (Field)!"
@@ -385,28 +396,33 @@ and expression _pos environment _memory = function
     (* Cas pour le Tuple vide
      * Un tuple vide ne contient rien (logique), donc on utilise un VUnit*)
     VUnit
+    (*Sinon, on associe pour chaque*)
   | Tuple list_exp -> VTuple (List.map (expression' environment _memory) list_exp)
-  | Sequence _ ->
-    (* TODO *)
-    failwith "Students! This is your job (Sequence)!"
+
+
+  | Sequence(list_exp) -> failwith ("Todo corriger l'erreur")
+    (*List.map(expression' environment _memory) list_exp *)
+    
   | Define _ ->
     (* TODO *)
     failwith "Students! This is your job (Define)!"
   | Fun _ ->
     (* TODO *)
     failwith "Students! This is your job (Fun)!"
-  | Apply _ ->
+  | Apply(a,b) -> apply_values a b environment _memory
     (* TODO *)
     failwith "Students! This is your job (Apply)!"
   | Ref ref ->
-    let dref = expression' environment _memory ref in
-    VLocation (Memory.allocate _memory Mint.one dref)
+    let reference = expression' environment _memory ref in (* On créé un VLocation et on alloue de la mémoire pour la valeur de la référence*)
+    VLocation (Memory.allocate _memory Mint.one reference)
   | Assign _ ->
     (* TODO *)
     failwith "Students! This is your job (Assign)!"
-  | Read _ ->
-    (* TODO *)
-    failwith "Students! This is your job (Read)!"
+  | Read read ->
+    let loc = value_as_location (expression' environment _memory read) in
+    (match loc with
+    | Some (adr) -> Memory.read (Memory.dereference _memory adr) (Mint.zero) (* On lis la valeur de la mémoire*)
+    | None -> failwith "erreur") (* TODO : faire une vrai erreur *)
   | Case _ ->
     (* TODO *)
     failwith "Students! This is your job (Case)!"
@@ -422,6 +438,16 @@ and expression _pos environment _memory = function
   | TypeAnnotation _ ->
     (* On ignore le type car on interprète *)
     VUnit
+  
+and apply_values a b env mem = 
+  let nom_indetermine = expression' env mem b in
+  match expression' env mem a with
+  (*| VPrimitive(_,f) -> f mem nom_indetermine*)
+  (*TODO A FINIR *)
+  | VClosure(env',pattern,expr') -> failwith "Students ! The project is so boring !"
+
+
+
 
 and literal_expression = function
   | LInt n -> VInt n