sentence: Two weeks later , Adam began to make some friends , but unfortunately , they were n't very good friends . They used to cause trouble and did n't do their homework on time . The boys were Fernando and Louis . They were in their seventh year in school , like Adam .
modified: two weeks later , Adam began to make some friends but from his bad luck , they were n't very good friends , they used to make troubles and do n't do their home work in time .the boys were Fernando and Louis in their seventh year in school as Adam .
transformation: ORTH, PUNCT, OTHER, PUNCT, VERB, NOUN:NUM, VERB:TENSE, ORTH, PREP, ORTH, OTHER, PUNCT, PREP