| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] in [noun] | 663 |
|
| 2 | [vb past] [been] in [noun] | 619 |
|
| 3 | who [vb past] [been] in | 150 |
|
| 4 | who [vb past] [been] [noun] | 141 |
|
