sentence: When we use a car , in general , one person is the only person who is accustomed to using their own car , so this is not exploiting the potential of the car .
modified: When we used the car , for general , one person is the unique who is accustomed to using your own car , so not is exploiting the potential of this car .
transformation: VERB:TENSE, DET, PREP, OTHER, DET, DET, WO, DET