diff --git a/Lib/concurrent/futures/_base.py b/Lib/concurrent/futures/_base.py
index fd0acec..bf546f8 100644
--- a/Lib/concurrent/futures/_base.py
+++ b/Lib/concurrent/futures/_base.py
@@ -7,6 +7,7 @@
 import logging
 import threading
 import time
+import types
 
 FIRST_COMPLETED = 'FIRST_COMPLETED'
 FIRST_EXCEPTION = 'FIRST_EXCEPTION'
@@ -544,6 +545,8 @@
             self._condition.notify_all()
         self._invoke_callbacks()
 
+    __class_getitem__ = classmethod(types.GenericAlias)
+
 class Executor(object):
     """This is an abstract base class for concrete asynchronous executors."""
 
diff --git a/Lib/concurrent/futures/thread.py b/Lib/concurrent/futures/thread.py
index 2aa4e17..2810b35 100644
--- a/Lib/concurrent/futures/thread.py
+++ b/Lib/concurrent/futures/thread.py
@@ -10,6 +10,7 @@
 import itertools
 import queue
 import threading
+import types
 import weakref
 import os
 
@@ -57,6 +58,8 @@
         else:
             self.future.set_result(result)
 
+    __class_getitem__ = classmethod(types.GenericAlias)
+
 
 def _worker(executor_reference, work_queue, initializer, initargs):
     if initializer is not None:
diff --git a/Lib/ctypes/__init__.py b/Lib/ctypes/__init__.py
index 8f09911..4afa4eb 100644
--- a/Lib/ctypes/__init__.py
+++ b/Lib/ctypes/__init__.py
@@ -1,6 +1,7 @@
 """create and manipulate C data types in Python"""
 
 import os as _os, sys as _sys
+import types as _types
 
 __version__ = "1.1.0"
 
@@ -450,6 +451,8 @@
     def LoadLibrary(self, name):
         return self._dlltype(name)
 
+    __class_getitem__ = classmethod(_types.GenericAlias)
+
 cdll = LibraryLoader(CDLL)
 pydll = LibraryLoader(PyDLL)
 
diff --git a/Lib/http/cookies.py b/Lib/http/cookies.py
index 6694f54..35ac2dc 100644
--- a/Lib/http/cookies.py
+++ b/Lib/http/cookies.py
@@ -131,6 +131,7 @@
 #
 import re
 import string
+import types
 
 __all__ = ["CookieError", "BaseCookie", "SimpleCookie"]
 
@@ -419,6 +420,8 @@
         # Return the result
         return _semispacejoin(result)
 
+    __class_getitem__ = classmethod(types.GenericAlias)
+
 
 #
 # Pattern for finding cookie
diff --git a/Lib/multiprocessing/managers.py b/Lib/multiprocessing/managers.py
index 1668220..9d490a1 100644
--- a/Lib/multiprocessing/managers.py
+++ b/Lib/multiprocessing/managers.py
@@ -21,6 +21,7 @@
 import array
 import queue
 import time
+import types
 import os
 from os import getpid
 
@@ -1129,6 +1130,8 @@
         return self._callmethod('set', (value,))
     value = property(get, set)
 
+    __class_getitem__ = classmethod(types.GenericAlias)
+
 
 BaseListProxy = MakeProxyType('BaseListProxy', (
     '__add__', '__contains__', '__delitem__', '__getitem__', '__len__',
diff --git a/Lib/multiprocessing/pool.py b/Lib/multiprocessing/pool.py
index 41dd923..b8a0b82 100644
--- a/Lib/multiprocessing/pool.py
+++ b/Lib/multiprocessing/pool.py
@@ -20,6 +20,7 @@
 import threading
 import time
 import traceback
+import types
 import warnings
 from queue import Empty
 
@@ -780,6 +781,8 @@
         del self._cache[self._job]
         self._pool = None
 
+    __class_getitem__ = classmethod(types.GenericAlias)
+
 AsyncResult = ApplyResult       # create alias -- see #17805
 
 #
diff --git a/Lib/multiprocessing/queues.py b/Lib/multiprocessing/queues.py
index d112db2..8350701 100644
--- a/Lib/multiprocessing/queues.py
+++ b/Lib/multiprocessing/queues.py
@@ -14,6 +14,7 @@
 import threading
 import collections
 import time
+import types
 import weakref
 import errno
 
@@ -366,3 +367,5 @@
         else:
             with self._wlock:
                 self._writer.send_bytes(obj)
+
+    __class_getitem__ = classmethod(types.GenericAlias)
diff --git a/Lib/multiprocessing/shared_memory.py b/Lib/multiprocessing/shared_memory.py
index 184e367..9f954d9 100644
--- a/Lib/multiprocessing/shared_memory.py
+++ b/Lib/multiprocessing/shared_memory.py
@@ -14,6 +14,7 @@
 import errno
 import struct
 import secrets
+import types
 
 if os.name == "nt":
     import _winapi
@@ -508,3 +509,5 @@
                 return position
         else:
             raise ValueError(f"{value!r} not in this container")
+
+    __class_getitem__ = classmethod(types.GenericAlias)
diff --git a/Lib/queue.py b/Lib/queue.py
index 5bb0431..10dbcbc 100644
--- a/Lib/queue.py
+++ b/Lib/queue.py
@@ -1,6 +1,7 @@
 '''A multi-producer, multi-consumer queue.'''
 
 import threading
+import types
 from collections import deque
 from heapq import heappush, heappop
 from time import monotonic as time
@@ -216,6 +217,8 @@
     def _get(self):
         return self.queue.popleft()
 
+    __class_getitem__ = classmethod(types.GenericAlias)
+
 
 class PriorityQueue(Queue):
     '''Variant of Queue that retrieves open entries in priority order (lowest first).
@@ -316,6 +319,8 @@
         '''Return the approximate size of the queue (not reliable!).'''
         return len(self._queue)
 
+    __class_getitem__ = classmethod(types.GenericAlias)
+
 
 if SimpleQueue is None:
     SimpleQueue = _PySimpleQueue
diff --git a/Lib/tempfile.py b/Lib/tempfile.py
index a398345..ed15c0f 100644
--- a/Lib/tempfile.py
+++ b/Lib/tempfile.py
@@ -829,3 +829,5 @@
     def cleanup(self):
         if self._finalizer.detach():
             self._rmtree(self.name)
+
+    __class_getitem__ = classmethod(_types.GenericAlias)
diff --git a/Lib/test/test_genericalias.py b/Lib/test/test_genericalias.py
index 4241eab..a00899f 100644
--- a/Lib/test/test_genericalias.py
+++ b/Lib/test/test_genericalias.py
@@ -6,16 +6,28 @@
     defaultdict, deque, OrderedDict, Counter, UserDict, UserList
 )
 from collections.abc import *
+from concurrent.futures import Future
+from concurrent.futures.thread import _WorkItem
 from contextlib import AbstractContextManager, AbstractAsyncContextManager
+from ctypes import Array, LibraryLoader
 from difflib import SequenceMatcher
 from filecmp import dircmp
 from fileinput import FileInput
 from mmap import mmap
 from ipaddress import IPv4Network, IPv4Interface, IPv6Network, IPv6Interface
 from itertools import chain
+from http.cookies import Morsel
+from multiprocessing.managers import ValueProxy
+from multiprocessing.pool import ApplyResult
+from multiprocessing.shared_memory import ShareableList
+from multiprocessing.queues import SimpleQueue
 from os import DirEntry
 from re import Pattern, Match
 from types import GenericAlias, MappingProxyType, AsyncGeneratorType
+from tempfile import TemporaryDirectory, SpooledTemporaryFile
+from urllib.parse import SplitResult, ParseResult
+from unittest.case import _AssertRaisesContext
+from queue import Queue, SimpleQueue
 import typing
 
 from typing import TypeVar
@@ -49,6 +61,15 @@
                   DirEntry,
                   IPv4Network, IPv4Interface, IPv6Network, IPv6Interface,
                   chain,
+                  TemporaryDirectory, SpooledTemporaryFile,
+                  Queue, SimpleQueue,
+                  _AssertRaisesContext,
+                  Array, LibraryLoader,
+                  SplitResult, ParseResult,
+                  ValueProxy, ApplyResult,
+                  ShareableList, SimpleQueue,
+                  Future, _WorkItem,
+                  Morsel,
                   ):
             tname = t.__name__
             with self.subTest(f"Testing {tname}"):
diff --git a/Lib/unittest/case.py b/Lib/unittest/case.py
index 5e5d535..d0ee561 100644
--- a/Lib/unittest/case.py
+++ b/Lib/unittest/case.py
@@ -241,6 +241,8 @@
                      expected_regex.pattern, str(exc_value)))
         return True
 
+    __class_getitem__ = classmethod(types.GenericAlias)
+
 
 class _AssertWarnsContext(_AssertRaisesBaseContext):
     """A context manager used to implement TestCase.assertWarns* methods."""
diff --git a/Lib/urllib/parse.py b/Lib/urllib/parse.py
index 779278b..ea897c3 100644
--- a/Lib/urllib/parse.py
+++ b/Lib/urllib/parse.py
@@ -29,6 +29,7 @@
 
 import re
 import sys
+import types
 import collections
 import warnings
 
@@ -176,6 +177,8 @@
                 raise ValueError("Port out of range 0-65535")
         return port
 
+    __class_getitem__ = classmethod(types.GenericAlias)
+
 
 class _NetlocResultMixinStr(_NetlocResultMixinBase, _ResultMixinStr):
     __slots__ = ()
diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c
index dab3939..ba5ef39 100644
--- a/Modules/_ctypes/_ctypes.c
+++ b/Modules/_ctypes/_ctypes.c
@@ -4798,6 +4798,12 @@
     return self->b_length;
 }
 
+static PyMethodDef Array_methods[] = {
+    {"__class_getitem__",    (PyCFunction)Py_GenericAlias,
+    METH_O|METH_CLASS,       PyDoc_STR("See PEP 585")},
+    { NULL, NULL }
+};
+
 static PySequenceMethods Array_as_sequence = {
     Array_length,                               /* sq_length; */
     0,                                          /* sq_concat; */
@@ -4846,7 +4852,7 @@
     0,                                          /* tp_weaklistoffset */
     0,                                          /* tp_iter */
     0,                                          /* tp_iternext */
-    0,                                          /* tp_methods */
+    Array_methods,                              /* tp_methods */
     0,                                          /* tp_members */
     0,                                          /* tp_getset */
     0,                                          /* tp_base */
diff --git a/Modules/_queuemodule.c b/Modules/_queuemodule.c
index 5eef062..28bf899 100644
--- a/Modules/_queuemodule.c
+++ b/Modules/_queuemodule.c
@@ -302,6 +302,8 @@
     _QUEUE_SIMPLEQUEUE_PUT_METHODDEF
     _QUEUE_SIMPLEQUEUE_PUT_NOWAIT_METHODDEF
     _QUEUE_SIMPLEQUEUE_QSIZE_METHODDEF
+    {"__class_getitem__",    (PyCFunction)Py_GenericAlias,
+    METH_O|METH_CLASS,       PyDoc_STR("See PEP 585")},
     {NULL,           NULL}              /* sentinel */
 };