sentence: I watched till they dragged him away , and then everything went quiet again , as if there was nobody , so I 'm sure the cops will ENFORCE the guy who did this .
modified: I watched till they DRAG him away , and then everything got quiet again as it there was nobody , so I 'm sure the cops will ENFORCE the guy who did this .
transformation: VERB:TENSE, VERB, PUNCT, OTHER, K