diff --git a/src/Language/DefaultRegistrations.php b/src/Language/DefaultRegistrations.php
index 95c18bd..4a5989c 100644
--- a/src/Language/DefaultRegistrations.php
+++ b/src/Language/DefaultRegistrations.php
@@ -6,6 +6,19 @@ use Picea\Compiler;
 
 class DefaultRegistrations implements LanguageRegistration
 {
+    protected array $extensions;
+    
+    protected array $syntaxes;
+    
+    protected array $controlStructures;
+    
+    public function __construct(array $extensions = [], array $syntaxes = [], array $controlStructure = []) 
+    {
+        $this->extensions = $extensions;
+        $this->syntaxes = $syntaxes;
+        $this->controlStructures = $controlStructure;
+    }
+    
     public function registerAll(Compiler $compiler) : void
     {
         $this->registerSyntax($compiler);
@@ -19,6 +32,10 @@ class DefaultRegistrations implements LanguageRegistration
         $compiler->registerSyntax(new \Picea\Syntax\CommentToken());
         $compiler->registerSyntax(new \Picea\Syntax\EchoRawToken());
         $compiler->registerSyntax(new \Picea\Syntax\EchoSafeToken());
+        
+        foreach($this->syntaxes ?? [] as $syntax) {
+            $compiler->registerSyntax($syntax);
+        }
     }
 
     public function registerControlStructure(Compiler $compiler) : void
@@ -47,11 +64,19 @@ class DefaultRegistrations implements LanguageRegistration
         $compiler->registerControlStructure(new \Picea\ControlStructure\SectionToken());
         $compiler->registerControlStructure(new \Picea\ControlStructure\EndSectionToken());
         $compiler->registerControlStructure(new \Picea\ControlStructure\ViewToken());
+        
+        foreach($this->controlStructures ?? [] as $controlStructure) {
+            $compiler->registerControlStructure($controlStructure);
+        }
     }
 
     public function registerExtension(Compiler $compiler) : void
     {
         $compiler->registerExtension(new \Picea\Extension\JsonExtension());
         $compiler->registerExtension(new \Picea\Extension\AssetExtension());
+        
+        foreach($this->extensions ?? [] as $extension) {
+            $compiler->registerExtension($extension);
+        }
     }
 }