| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] could [pron] [adv] [verb] | 201 |
|
| 2 | [adv] could [pron] [adv] [verb] | 35 |
|
| 3 | so [modal v] [pron] [adv] [verb] | 31 |
|
| 4 | so could [pron] [adv] [verb] | 8 |
|
