sentence: As a matter of fact , Mr Michael should have provided some advice for Adam when his marks got lower , but he did n't , and the consequences were very bad , so Michael closed the door and knew at that moment he had made a mistake .
modified: In matter of fact Mr Michael should have provided some advice for Adam when his marks got low but he didn't , and the consequences were very bad so , Michael closed the door and know at that moment he had made a mistake .
transformation: OTHER, PUNCT, OTHER, ORTH, PUNCT, PUNCT, VERB:TENSE