| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [adv] [adv] | 813 |
|
| 2 | could [verb] [adv] [adv] | 531 |
|
| 3 | [modal v] [verb] so [adv] | 336 |
|
| 4 | could [verb] so [adv] | 53 |
|
| 5 | could [verb] so [adv] | 53 |
|
