| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which had been [vb pp] for [art] | 18 |
|
| 2 | which had be [vb pp] for [art] | 18 |
|
| 3 | which had be [vb pp] for the | 12 |
|
| 4 | which had be [vb pp] for a | 5 |
|
