sentence: Secondly , people who use public transport are safer than others who use private cars if they drink more than usual and drive their cars ; there are a lot of car accidents due to drivers being drunk .
modified: Secondly , people who use public transport are safer than others who use private cars ; if they drink more than usual and drive their cars ; there are a lot car accidents due to drivers are drunk .
transformation: PUNCT, PREP, VERB:FORM