YOU SAID:
i ran over the dog when i was driving the bus
INTO JAPANESE
私はバスを運転していたとき私は犬の上を走った
BACK INTO ENGLISH
I ran over the dog when I was driving the bus.
INTO JAPANESE
私はバスを運転していたときに私は犬の上を走った。
BACK INTO ENGLISH
I ran over the dog while driving the bus.
INTO JAPANESE
私はバスを運転しながら犬の上を走った。
BACK INTO ENGLISH
I ran over the dog while driving the bus.
Well done, yes, well done!