| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] that [modal v] [verb] | 56 |
|
| 2 | could [be] [vb pp] that [verb] | 10 |
|
| 3 | could [be] [vb pp] that [modal v] | 8 |
|
