| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] had [adv] [been] [verb] | 187 |
|
| 2 | had [adv] [been] [verb] for | 157 |
|
| 3 | [Wh pn] had [been] [verb] for | 87 |
|
| 4 | [Wh pn] had [adv] [verb] for | 22 |
|
