| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb -s] been [verb] for [noun] | 10 |
|
| 2 | who has been [verb] for [noun] | 8 |
|
| 3 | who [vb -s] been [v-ing] for [noun] | 5 |
|
| 4 | who [vb -s] been [vb pp] for [noun] | 5 |
|
