sentence: That morning his , grandmother had gone to the hospital because she had to have an operation and she told him to buy some magazines for her , because at the hospital she 'd be bored and she could n't get out of bed for a few days .
modified: That morning his grandmother went to the hospital because she had to do a surgery and she told him to buy some magazines for her , because at the hospital she 's bored and she could n't get off the bed for a few days .
transformation: PUNCT, VERB:TENSE, VERB, DET, NOUN, CONTR, VERB:TENSE, PREP, PREP, DET