7.4 simple past, present perfect, present perfect continuous As mentioned on the telephone to your administrative secretary, I would be interested in an internship in your laboratory. (1) Ii bgraduated / have graduated in Computer Science at the University of Oregon in 2014, and I (2) obtained / have obtained a Master’s in Applied Neurolinguistics the following year in Berlin. I then (3) worked / have worked on two major projects using neural networks. The first one (4) was / has been based in Shanghai and the second in Beijing. I am now back at the University of Oregon where for the last three months I (5) was / have been an assistant professor. So far I (6) designed / have designed three different software applications, and I am currently working on a natural language system for vending machines. Over the last three years I (7) also gained / have also gained considerable experience in other aspects of language engineering as I (8) attended / have attended several congresses on such areas as artificial intelligence, language engineering standards, and logic programming. I also (9) gave / have given a series of workshops on these subjects herein Oregon, the last of which will beheld at the end of this month. My native language is Chinese, but I also speak fluent German as I (10) did / have done a language course while I (11) was / have been in Berlin for my Masters. I (12) spent / have spent a considerable amount of time herein the USA, so English is basically my second language 1. graduated 2. obtained 3. worked 4. was 5. have been 6. have designed 7. have also gained 8. have attended 9. have given 10. did 11. was 12. have spent
