The phrase "when you failed" is grammatically correct and can be used in written English.
Example: When you failed the test, your teacher offered to tutor you after school.
When you failed to respond to my call, I realized my error.
Tell us about a time in your life when you failed at something, and what happened as a result.
M. HERZOG: And when you failed, did the orders that were sent to you by Defendant Speer have to have priority over all others?
How do you get at this emotional need to deliver results? A. I ask: "Tell me about a time in your life when you failed.
When you failed to show joy after the first of those two goals, some of us mistook your mood for humility.
But the amount in question was so small that you might have shrugged when you failed to receive a call back after leaving a message.
It's a natural feeling when you fail, but failing makes you better.
When you fail your children, you fail".
"Venus, when you fail, you fail alone," one read.
So consider this: when you fail, and fail big — forgive.
When you fail here, people look at you funny".
