| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] not been [prep] [art] | 6 |
|
| 2 | who [vb past] not [been] [prep] [art] | 6 |
|
| 3 | who had not [been] [prep] [art] | 6 |
|
| 4 | who [vb past] not [been] in [art] | 5 |
|
