| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [vb pp] | 32920 |
|
| 2 | [vb past] [vb pp] so | 1083 |
|
| 3 | [vb past] been so | 598 |
|
| 4 | been [vb pp] so | 391 |
|
