| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] to [be] [verb] | 3037 |
|
| 2 | could [be] [vb pp] to [be] | 149 |
|
| 3 | could [be] [vb pp] [be] [verb] | 23 |
|
| 4 | could [be] [vb pp] to [verb] | 8 |
|
