| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which had been [verb] [adv] | 309 |
|
| 2 | had been [verb] [adv] for | 228 |
|
| 3 | which had been [verb] for | 88 |
|
| 4 | which had [verb] [adv] for | 6 |
|
| 5 | which had been [adv] for | 5 |
|
