| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [vb pp] | 31868 |
|
| 2 | [been] [vb pp] for | 4628 |
|
| 3 | had [vb pp] for | 2509 |
|
| 4 | had [been] for | 157 |
|
