| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] for several | 19 |
|
| 2 | [verb] been [vb pp] for several | 19 |
|
| 3 | [vb past] been [vb pp] for several | 7 |
|
| 4 | had been [vb pp] for several | 7 |
|
| 5 | [vb base] been [vb pp] for several | 6 |
|
| 6 | have been [vb pp] for several | 6 |
|
| 7 | [vb -s] been [vb pp] for several | 5 |
|
| 8 | has been [vb pp] for several | 5 |
|
