sentence: I love my family , especially my little sister . She is sixteen years old . I consider her my best friend because I usually tell her everything about my life .
modified: i love my family special my little sister , she has sixteen years old , i consider my best friend because i used to tell her everything of my life .
transformation: ORTH, PUNCT, OTHER, PUNCT, VERB, PUNCT, ORTH, PRON, ORTH, OTHER, PREP