问答题
For the following words, state the conditions under which the different forms of the past tense appear. What determines whether /t/, /d/, or /id/ is used? What distinctive features define conditioning environment? (南开大学2004研)1. crushed 2. heaped 3. kicked 4. pitted5. deeded 6. bagged 7. killed 8. nabbed9. thrived 10. breathed 11. turned 12. hissed13. plowed 14. climbed 15. singed 16. hanged17. cinched 18. played 19. hated 20. branded
【正确答案】正确答案:/t/ appears after these sounds; /, p, k, s,/, /id/ is found after/t, d/, and /d/, and /d/ occurs after /g, 1, b, v,, n, au, m,