| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [verb] [art] | 2417 |
|
| 2 | who [vb past] been [verb] | 1923 |
|
| 3 | [vb past] been [verb] [art] | 1541 |
|
| 4 | who [vb past] been [art] | 192 |
|
