sentence: You do n't know how embarrassed I feel now , not only because you helped me to get the tickets ( and I can imagine how difficult it must have been ) , but also because you have already arranged everything to make my stay in London as comfortable and enjoyable as possible .
modified: You do n't know how ashamed I feel now , not only for you because you helped me to get the tickets ( and I can imagine how difficult it must have been ) but also because you have already arranged everything to make my stay in London as comfortable and enjoyable as possible .
transformation: ADJ, OTHER, PUNCT