Looking on the internet deeply has found these results:

I failed is the most popular phrase on the web.

I did fail 15,990 results on the web	I failed 114,500,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Mar 1, 2016 ... i got back my midterms for ece 1b, and i did fail most of them. i got 50 in one, 48 in another and a fucking 10% in one of them. im scared and i ... Mar 7, 2016 ... Sharapova made the announcement at a news conference, saying, "I did fail the test, and I take full responsibility for it." Sharapova tested ... I did fail once for a job interview where I went without any preparation. However, next time I decided to practice so I did the sample tests offered by the 3rd party ... I had to withdraw, or I flunked it” (F). “Sometimes… I didn't understand the subject that I was doing homework for, especially English” (F). “I did fail two classes, ...	As you can see, I failed miserably. I failed the polygraph on purpose. He'll kill me because I failed, John. It's true! I failed the basic duty of childhood. I failed for the third time in a row. You counted on me, and I failed. I wanted to save Gotham. I failed. He did in one week what I failed to do in 15 years.

I did fail

15,990 results on the web

I failed

114,500,000 results on the web

More popular!

Mar 1, 2016 ... i got back my midterms for ece 1b, and i did fail most of them. i got 50 in one, 48 in another and a fucking 10% in one of them. im scared and i ...
Mar 7, 2016 ... Sharapova made the announcement at a news conference, saying, "I did fail the test, and I take full responsibility for it." Sharapova tested ...
I did fail once for a job interview where I went without any preparation. However, next time I decided to practice so I did the sample tests offered by the 3rd party ...
I had to withdraw, or I flunked it” (F). “Sometimes… I didn't understand the subject that I was doing homework for, especially English” (F). “I did fail two classes, ...