| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the changes that [vb base] been [verb] | 12 |
|
| 2 | the changes that [vb base] been [vb pp] | 9 |
|
| 3 | the changes that [vb base] been made | 8 |
|
| 4 | the changes that [vb base] been make | 8 |
|
