| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [verb] for [noun] | 428 |
|
| 2 | been [verb] for several [noun] | 46 |
|
| 3 | [vb -s] been [verb] several [noun] | 29 |
|
| 4 | [vb -s] been [verb] for several | 11 |
|
