Irregular Verbs Crossword (Past Simple & Past Participle)

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Across
  1. 3. She _____ a report on air pollution levels. (write)
  2. 4. Professors _____ from five countries to our symposium. (come)
  3. 6. I _____ a new textbook for the course. (buy)
  4. 9. They have _____ innovative ideas to the design process. (bring)
  5. 10. I _____ excellent feedback on my report.(get)
  6. 11. I _____ the equipment malfunction during the experiment.(see)
  7. 13. They have _____ all the required articles for the seminar. (read)
  8. 15. Engineers have _____ significant progress in waste reduction. (make)
  9. 16. We _____ done all the required safety tests.(do)
  10. 17. She has _____ two internships in chemical technology. (have)
  11. 19. I have _____ to three international conferences this year. (be)
Down
  1. 1. I _____ environmental safety as my specialization. (choose)
  2. 2. I _____ the answer to question five. (know)
  3. 3. We _____ to the factory for our internship last summer. (go)
  4. 5. We _____ an error in the data set yesterday. (find)
  5. 6. The machine has _____ down twice this month. (break)
  6. 7. They have _____ three presentations this semester. (give)
  7. 8. She has _____ carefully about her career options. (think)
  8. 9. The project _____ in September 2025. (begin)
  9. 11. Experts have _____ that green chemistry is the future. (say)
  10. 12. They have _____ three courses in economics so far. (take)
  11. 14. I _____ my thesis research on sustainable textiles. (do)
  12. 18. I have _____ several researchers from abroad at conferences. (meet)