sentence: Also , it has to be said that maybe in the future , technology will create a car that does n't pollute the air , and then , using public transport wo n't be necessary .
modified: Also it has to say that maybe in the future , technology will create a car that does n't pollute the air , and then , use public transport wo n't be necessary .
transformation: PUNCT, VERB:TENSE, VERB:FORM