| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which [vb past] been [prep] | 6 |
|
| 2 | [prep] which had be [prep] | 6 |
|
| 3 | of which [vb past] be [prep] | 6 |
|
| 4 | [prep] which [vb past] be [prep] | 6 |
|
| 5 | [prep] which [vb past] be [prep] | 6 |
|
