| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [vb pp] | 31868 |
|
| 2 | had [vb pp] [adv] | 10481 |
|
| 3 | [been] [vb pp] [adv] | 7335 |
|
| 4 | had [been] [adv] | 5544 |
|
