| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] i [vb past] | 660 |
|
| 2 | could [adv] [verb] i | 41 |
|
| 3 | could [verb] i [vb past] | 24 |
|
| 4 | could [adv] [verb] [vb past] | 8 |
|
