sentence: I do n't think public transport does not have a future . There are a lot of people who can not buy a car and they have to use community transport .
modified: i do nt think the public transport does not have future , there are a lot of people who can not buy a car and has to use the communite transport .
transformation: ORTH, CONTR, DET, DET, PUNCT, PRON, VERB:SVA, DET, SPELL