sentence: I have been learning English for 8 years and after I sat r the FCE exam two years ago , as soon as I passed the exam , I started preparing for the certificate in advanced English exam so that I could demonstrate my English skill even more , both written and spoken .
modified: I have been learning English for 8 years after that I sat for FCE exam two years ago , as soon as I pass the exam , I start preparing a cetificate advance in English exam even more I could demonstrate my English skill , writing and spoken .
transformation: CONJ, DET, PREP, DET, VERB:TENSE, VERB:TENSE, PREP, DET, SPELL, OTHER, PREP, WO, DET, VERB:FORM