sentence: I agree that commuting by car is easier and faster than most public transportation . However , there are serious problems that come from it . The number of vehicles on the roads keeps increasing and causes congestion and pollution , which are far more severe than the inconvenience caused by public transportation .
modified: I agree that communiting by car is easier and faster than most of the public transportation ; however , there are serious problems come after it ; the amount of vehicles on the roads keep increase and make congestion and pollution which are far more severe than the inconvenience causing by public transportation .
transformation: SPELL, PREP, DET, PUNCT, DET, PREP, PUNCT, NOUN, VERB:SVA, VERB:FORM, VERB, PUNCT, VERB:FORM