| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [adv] [adv] [subord] | 96 |
|
| 2 | [vb mod] [verb] so [adv] [subord] | 56 |
|
| 3 | [modal v] [verb] so [adv] [subord] | 56 |
|
| 4 | could [verb] so [adv] [conj] | 13 |
|
| 5 | could [verb] so [adv] [subord] | 6 |
|
