| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [vb pp] [prep] | 15645 |
|
| 2 | had [vb pp] [prep] [pos pn] | 2565 |
|
| 3 | been [vb pp] [prep] [pos pn] | 2025 |
|
| 4 | had been [prep] [pos pn] | 181 |
|
| 5 | had been [vb pp] [pos pn] | 31 |
|
