| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been so [verb] | 12 |
|
| 2 | [vb mod] have been so [verb] | 12 |
|
| 3 | [vb mod] [vb infin] been so [verb] | 12 |
|
| 4 | [vb mod] [verb] been so [vb pp] | 10 |
|
| 5 | could [verb] been so [verb] | 5 |
|
