diff --git a/stdlib/3.4/asyncio/tasks.pyi b/stdlib/3.4/asyncio/tasks.pyi
index 69a4ac397..e5b101c6e 100644
--- a/stdlib/3.4/asyncio/tasks.pyi
+++ b/stdlib/3.4/asyncio/tasks.pyi
@@ -1,4 +1,4 @@
-from typing import Any, TypeVar, Set, Dict, List, TextIO, Union, Tuple, Generic, Callable, Generator, Iterable, Awaitable, overload
+from typing import Any, TypeVar, Set, Dict, List, TextIO, Union, Tuple, Generic, Callable, Generator, Iterable, Awaitable, overload, Sequence, Iterator
 
 __all__ = ... # type: str
 
@@ -9,11 +9,19 @@ FIRST_EXCEPTION = 'FIRST_EXCEPTION'
 FIRST_COMPLETED = 'FIRST_COMPLETED'
 ALL_COMPLETED = 'ALL_COMPLETED'
 _T = TypeVar('_T')
+def as_completed(fs: Sequence[Future[_T]], *, loop: AbstractEventLoop = ..., timeout=None) -> Iterator[Generator[Any, None, _T]]: ...
+def ensure_future(coro_or_future: Union[Future[_T], Generator[Any, None, _T]], *, loop: AbstractEventLoop = ...) -> Future[_T]: ...
+def gather(*coros_or_futures: Sequence[Union[Future[_T], Generator[Any, None, _T]]], loop: AbstractEventLoop = ..., return_exceptions: bool = False) -> Future[_T]: ...
+def run_coroutine_threadsafe(coro: Generator[Any, None, _T], loop: AbstractEventLoop) -> Future[_T]: ...
+def shield(arg: Union[Future[_T], Generator[Any, None, _T]], *, loop: AbstractEventLoop = ...) -> Future[_T]: ...
 def sleep(delay: float, result: _T = ..., loop: AbstractEventLoop = ...) -> Future[_T]: ...
 def wait(fs: List[Task[_T]], *, loop: AbstractEventLoop = ...,
     timeout: float = ..., return_when: str = ...) -> Future[Tuple[Set[Future[_T]], Set[Future[_T]]]]: ...
 def wait_for(fut: Union[Future[_T], Generator[Any, None, _T]], timeout: float, *, loop: AbstractEventLoop = ...) -> Future[_T]: ...
 
+class _GatheringFuture(Future[_T], Generic[_T]):
+    def __init__(self, children: Sequence[Union[Future[_T], Generator[Any, None, _T]]], *, loop: AbstractEventLoop = ...) -> None: ...
+    def cancel(self) -> bool: ...
 
 class Task(Future[_T], Generic[_T]):
     _all_tasks = ...  # type: Set[Task]