| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] been several [noun] | 63 |
|
| 2 | [vb past] [pron] [verb] been [noun] | 29 |
|
| 3 | [vb past] [pron] [verb] several [noun] | 15 |
|
| 4 | [vb past] [pron] [verb] been several | 5 |
|
