"And what did you think of it?" "I loved the movie. Of course,being a true story made me more interested.

VOA: special.2010.03.01

In fact one of the frankly best things I ever did as an undergraduate was, perhaps fittingly, take this course pass-fail.

实际上我上本科时做的最得意的事,恰当地说，就是把这门课的成绩看成及格和不及格两种。

哈佛公开课 - 计算机科学课程节选

Of course "I didn't" is just a contraction of "I did not",

当然，“I didn't”是“I did not”的缩写形式。

I didn't 课堂 - SpeakingMax英语口语达人

Of course it's the same with the "I did not" pattern.

当然，它和“I did not”句型是完全相同的。

I didn't 课堂 - SpeakingMax英语口语达人