| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [vb pp] | 31868 |
|
| 2 | [been] formally [vb pp] | 81 |
|
| 3 | had formally [vb pp] | 35 |
|
| 4 | had [been] formally | 28 |
|
