| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [vb pp] | 31868 |
|
| 2 | had [vb pp] [adj] | 12706 |
|
| 3 | had been [adj] | 7252 |
|
| 4 | been [vb pp] [adj] | 3441 |
|
