sentence: I 'm sure I 'll have made many mistakes , but I feel good because I must write and write and write . I need to improve my English level . I must not feel bad if I want to finally learn English very well .
modified: I 'm sure I 'll have many mistakes but I feel good because I must write and write and write I need to improve my English level . I must not fell bad if I want finally learn English very well .
transformation: VERB, PUNCT, PUNCT, VERB, VERB:FORM