| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [be] say [verb] | 35 |
|
| 2 | [adv] [be] say [verb] [vb pp] | 26 |
|
| 3 | could [be] say [verb] [vb pp] | 24 |
|
| 4 | could [adv] [be] [verb] [vb pp] | 8 |
|
