sentence: Firstly , it was too difficult for me to hand in assessments on time , because I used to spend too much time on playing games without teachers ' supervision , so that I always did not have enough time for finishing academic assignments independently .
modified: Firstly , it was too difficult for me to hand in assessments on time , because I used to spend too much time on playing games without teachers supervision , so that I always did not have enough time for finishing academic assignments independently .
transformation: NOUN:POSS