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1. We have been discussing my research proposal with my professor at the beginning of my course.
2. Nam has been studying English for two years.
3. I have been learning how to play the piano for eight months.
4. He has attended two online vocational courses twice.
5. They have visited this college three times.
6. The British Council has been using IELTS as an international standard test of English for non-native English language speakers for a long time.