diff --git a/DEV4.5/exo3_controle2022 b/DEV4.5/exo3_controle2022
new file mode 100644
index 0000000..570ff0d
--- /dev/null
+++ b/DEV4.5/exo3_controle2022
@@ -0,0 +1,77 @@
+Fichier ConjugaisonActivity.java
+
+package com.example.organisation;
+
+import android.os.Bundle;
+import android.widget.RadioButton;
+import android.widget.RadioGroup;
+import android.widget.TextView;
+import androidx.appcompat.app.AppCompatActivity;
+
+public class ConjugaisonActivity extends AppCompatActivity {
+    private TextView phraseText;
+    private RadioGroup timeSelection;
+    
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_conjugaison);
+
+        phraseText = findViewById(R.id.phraseText);
+        timeSelection = findViewById(R.id.timeSelection);
+
+        timeSelection.setOnCheckedChangeListener((group, checkedId) -> {
+            String newText = "Je " + getConjugation(checkedId);
+            phraseText.setText(newText);
+        });
+    }
+
+    private String getConjugation(int id) {
+        if (id == R.id.passe) return "marchais";
+        if (id == R.id.present) return "marche";
+        if (id == R.id.futur) return "marcherai";
+        return "";
+    }
+}
+
+Fichier activity_conjugaison.xml
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:padding="20dp">
+
+    <TextView
+        android:id="@+id/phraseText"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Je marche"
+        android:textSize="18sp"/>
+
+    <RadioGroup
+        android:id="@+id/timeSelection"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal">
+
+        <RadioButton
+            android:id="@+id/passe"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Passé"/>
+        
+        <RadioButton
+            android:id="@+id/present"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Présent"
+            android:checked="true"/>
+        
+        <RadioButton
+            android:id="@+id/futur"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Futur"/>
+    </RadioGroup>
+</LinearLayout>
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