sentence: The first year , I went to a tournament in Torreon and I won first place . During the first 3 years , I ranked in the first 10 places in Mexico , but then I had to reduce my practices because I had a problem with my knees .
modified: The first year I went to a tournament in Torreon and I win the first place , during the first 3 years I was ranking in the first 10 places of Mexico , but then I had to reduce my practices because I had a problem with my knees .
transformation: PUNCT, VERB:TENSE, DET, PUNCT, PUNCT, VERB:TENSE, PREP