| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which had been [verb] [adv] for | 10 |
|
| 2 | which had been [vb pp] [adv] for | 6 |
|
| 3 | which had been [adv] [verb] for | 8 |
|
| 4 | which had been [adv] [vb pp] for | 8 |
|
