diff --git a/grammar.js b/grammar.js
index 5fa8c453e..aaba002ea 100644
--- a/grammar.js
+++ b/grammar.js
@@ -82,6 +82,11 @@ module.exports = grammar({
     $._variable,
     $._primary,
     $._lhs,
+    $._pattern_top_expr_body,
+    $._pattern_expr,
+    $._pattern_expr_basic,
+    $._pattern_primitive,
+    $._pattern_constant,
   ],
 
   rules: {