sentence: I also think that there will be fewer people using public transport in the future , but some will still be available , because it wo n't be possible for everyone to afford to have a car or travel by plane .
modified: I also think that there would be fewer people using public transport in the future but some will still be available because it wo n't be possible for everyone to afford to have a car or travelling by plane .
transformation: VERB:TENSE, PUNCT, PUNCT, MORPH