diff --git a/src/questionModel.php b/src/questionModel.php
new file mode 100644
index 0000000..d0dc225
--- /dev/null
+++ b/src/questionModel.php
@@ -0,0 +1,65 @@
+<?php
+
+require_once("questionEntity.php");
+require_once("questionGateway.php");
+
+class questionModel
+{
+    private QuestionGateway $gateway;
+
+    public function __construct(QuestionGateway $gateway)
+    {
+        $this -> gateway = $gateway;
+    }
+
+    public function createQuestion(int $id_question, string $question, string $answerA, string $answerB, string $answerC, string $answerD, string $cAnswer) : bool
+    {
+        $q = new QuestionEntity($id_question, $question, $answerA, $answerB, $answerC, $answerD, $cAnswer);
+        return $this -> gateway -> create($q);
+    }
+
+    public function getQuestion(int $id_question) : ?QuestionEntity
+    {
+        return $this -> gateway -> findById($id_question);
+    }
+
+    public function updateTextQuestion(int $id_question, string $question) : bool
+    {
+        $q = $this -> gateway -> findById($id_question);
+
+        if ($q)
+        {
+            $q -> setQuestion($question);
+            return $this -> gateway -> updateText($q);
+        }
+
+        return false;
+    }
+
+    public function updateAnswersQuestion(int $id_question, string $answerA, string $answerB, string $answerC, string $answerD, string $cAnswer) : bool
+    {
+        $q = $this -> gateway -> findById($id_question);
+
+        if ($q)
+        {
+            $q -> setAnswerA($answerA);
+            $q -> setAnswerB($answerB);
+            $q -> setAnswerC($answerC);
+            $q -> setAnswerD($answerD);
+            $q -> setAnswerC($cAnswer);
+            return $this -> gateway -> updateAnswers($q);
+        }
+
+        return false;
+    }
+
+    public function deleteQuestion(int $id_question) : bool
+    {
+        return $this -> gateway -> delete($id_question);
+    }
+
+    public function getAllQuestions() : array
+    {
+        return $this -> gateway -> findAll();
+    }
+}
\ No newline at end of file