| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] could [adv] [be] [vb pp] | 234 |
|
| 2 | could [adv] [be] [vb pp] to | 231 |
|
| 3 | [coord] [adv] [be] [vb pp] to | 25 |
|
| 4 | [coord] could [be] [vb pp] to | 19 |
|
