| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which had been [verb] for [art] | 21 |
|
| 2 | which [vb past] been [verb] for [art] | 21 |
|
| 3 | which [vb past] been [vb pp] for [art] | 18 |
|
| 4 | which [vb past] been [verb] for the | 13 |
|
| 5 | which [vb past] been [verb] for a | 6 |
|
