sentence: He closed the window so as not to hear the laughs and yells of his friends , playing soccer in the field in front of his house : " I never liked soccer , anyway " he kept telling himself , but the more he tried , the harder it got to focus on his book .
modified: He closed the window not to hear the laughs and yells of his friends , playing soccer in the field in front of his house : " I never liked soccer , anyway " he kept telling himself , but the more he tried , the harder it get to focus on his book .
transformation: PREP, VERB:TENSE