The sentence in the past tense is:
"I failed my driver's test the first time I took it."
Explanation:
- In this sentence, the verb "failed" is in the past tense, indicating that the action of failing the driver's test already occurred in the past.
- The other sentences "There will be driverless cars before too long," "When the weather is nice, I walk to work instead of driving," and "The bus is running 30 minutes late" are either in the future tense, present tense, or present continuous tense, respectively, and do not contain a verb in the past tense like the sentence mentioned above.