sentence: I used to use my car every day , but little by little , I started to take public transport so that I could save money .
modified: I used my car every day however few a few I started to take public transport for I can to save up money
transformation: VERB, VERB:TENSE, PUNCT, OTHER, OTHER, PUNCT, PREP, VERB:TENSE, VERB:FORM, PART, PUNCT