| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [vb pp] | 31868 |
|
| 2 | had [vb pp] [noun sg] | 5118 |
|
| 3 | been [vb pp] [noun sg] | 994 |
|
| 4 | had been [noun sg] | 688 |
|
