| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been [verb] for many | 26 |
|
| 2 | [vb base] been [verb] for many | 26 |
|
| 3 | have been [verb] for many | 22 |
|
| 4 | [vb base] been [vb pp] for many | 22 |
|
