We see this sign on drug stores and whenever we visit a doctor to get an order for medicine.

VOA: special.2009.03.22

But for a long time I was chastened whenever I remembered that my mother had come close to killing me.

然而很长一段时间里,一想起母亲过来揍我,我就会很听话，“

耶鲁公开课 - 1945年后的美国小说课程节选

Use this pattern whenever you want to find out about the timing of an event in the past, present, or future.

当你想知道过去、现在或者未来某件事发生的时间时，你都可以使用这个句型。

When 课堂 - SpeakingMax英语口语达人

Whenever, whenever the Government's in trouble it brings up fox hunting, as a way of buying off its own left wingers.

BBC: News | BREAKFAST WITH FROST | David Davis on Breakfast with Frost

But whenever the American people stand up, whenever you get involved, whenever you participate, then amazing things happen -- because the American people have great instincts.

WHITEHOUSE: The White House

Stir in Anna Louizos' elaborate sets and you've got a musical that's resplendent whenever the members of the cast are singing and repellent whenever they stop singing and start talking.

WSJ: 'Cinderella': No Talking, Please