sentence: I do n't know what I 'm proud of , but when I score a nice goal , I am proud because it feels good , especially when it 's an important goal that maybe will change the game .
modified: I do n't know what I 'm proud of but when I do a nice goal i gets proud because it 's feel good especially when it 's an important goal that maybe change the game .
transformation: PUNCT, VERB, PUNCT, ORTH, VERB, CONTR, VERB:SVA, PUNCT, VERB:TENSE