| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which had been [vb pp] for [adj] | 25 |
|
| 2 | which had been [vb pp] for [adj] | 25 |
|
| 3 | which had been [vb pp] for [adj] | 11 |
|
| 4 | which had been [vb pp] for [det] | 9 |
|
| 5 | which had been [vb pp] for many | 5 |
|
| 6 | which had been [vb pp] for many | 5 |
|
| 7 | which had been used for [adj] | 5 |
|
