| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [be] [verb] [adv] | 1998 |
|
| 2 | [vb mod] [be] see [adv] | 379 |
|
| 3 | [modal v] [be] see [adv] | 379 |
|
| 4 | could [be] see [adv] | 39 |
|
