diff --git a/PHPUnit/Framework/MockObject/Generator.php b/PHPUnit/Framework/MockObject/Generator.php
index 84746fec..94ad21b4 100644
--- a/PHPUnit/Framework/MockObject/Generator.php
+++ b/PHPUnit/Framework/MockObject/Generator.php
@@ -80,15 +80,20 @@ class PHPUnit_Framework_MockObject_Generator
       'continue' => TRUE,
       'declare' => TRUE,
       'default' => TRUE,
+      'die' => TRUE,
       'do' => TRUE,
+      'echo' => TRUE,
       'else' => TRUE,
       'elseif' => TRUE,
+      'empty' => TRUE,
       'enddeclare' => TRUE,
       'endfor' => TRUE,
       'endforeach' => TRUE,
       'endif' => TRUE,
       'endswitch' => TRUE,
       'endwhile' => TRUE,
+      'eval' => TRUE,
+      'exit' => TRUE,
       'extends' => TRUE,
       'final' => TRUE,
       'for' => TRUE,
@@ -98,18 +103,27 @@ class PHPUnit_Framework_MockObject_Generator
       'goto' => TRUE,
       'if' => TRUE,
       'implements' => TRUE,
-      'interface' => TRUE,
+      'include' => TRUE,
+      'include_once' => TRUE,
       'instanceof' => TRUE,
+      'interface' => TRUE,
+      'isset' => TRUE,
+      'list' => TRUE,
       'namespace' => TRUE,
       'new' => TRUE,
       'or' => TRUE,
+      'print' => TRUE,
       'private' => TRUE,
       'protected' => TRUE,
       'public' => TRUE,
+      'require' => TRUE,
+      'require_once' => TRUE,
+      'return' => TRUE,
       'static' => TRUE,
       'switch' => TRUE,
       'throw' => TRUE,
       'try' => TRUE,
+      'unset' => TRUE,
       'use' => TRUE,
       'var' => TRUE,
       'while' => TRUE,