| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] [verb] | 85760 |
|
| 2 | [vb mod] [adv] [verb] | 85760 |
|
| 3 | could [adv] [verb] | 32838 |
|
| 4 | could [adv] [verb] | 11478 |
|
