Lau timro lagi timro -75 xa soo aaba ta -65 hunxa hola??

What is the past tense of undertake

Miguel is making an obstacle course for field day.at the end of every sixth of the course,there is a tire .at the end of every third of the course,there is a hurdle.at witch locations of the course will people need to go through more than one obstacle?

Ki lang sa ye? tanpri eksplike kisa ki pale lang sa a ak peyi yo.