| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] could | 5341 |
|
| 2 | [adv] could | 3120 |
|
| 3 | so [vb mod] | 2072 |
|
| 4 | so [modal v] | 2072 |
|
| 5 | so could | 187 |
|
| 6 | so could | 187 |
|
